{"id":4862,"date":"2025-03-20T15:46:54","date_gmt":"2025-03-20T07:46:54","guid":{"rendered":"https:\/\/collagensei.com\/?page_id=4862"},"modified":"2026-06-09T11:23:27","modified_gmt":"2026-06-09T03:23:27","slug":"d-vi%cc%87tami%cc%87ni%cc%87-ureti%cc%87ci%cc%87si%cc%87","status":"publish","type":"page","link":"https:\/\/collagensei.com\/tr\/vitamins-supplier\/vitamin-d-manufacturer\/","title":{"rendered":"D Vitamini \u00dcreticisi"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"4862\" class=\"elementor elementor-4862\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c7f19e6 e-con-full e-flex e-con e-parent\" data-id=\"c7f19e6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0eb1053 elementor-widget elementor-widget-html\" data-id=\"0eb1053\" data-element_type=\"widget\" data-e-type=\"widget\" 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.gvd-final-cta h2 {\r\n    font-size: 34px;\r\n  }\r\n}\r\n\r\n@media (max-width: 620px) {\r\n  .gensei-vitamin-d-page .gvd-hero {\r\n    padding: 52px 0 44px;\r\n  }\r\n\r\n  .gensei-vitamin-d-page .gvd-section {\r\n    padding: 48px 0;\r\n  }\r\n\r\n  .gensei-vitamin-d-page .gvd-grid-3,\r\n  .gensei-vitamin-d-page .gvd-application-grid {\r\n    grid-template-columns: 1fr;\r\n  }\r\n\r\n  .gensei-vitamin-d-page .gvd-hero-title {\r\n    font-size: 34px;\r\n  }\r\n\r\n  .gensei-vitamin-d-page .gvd-section-title,\r\n  .gensei-vitamin-d-page .gvd-final-cta h2 {\r\n    font-size: 28px;\r\n  }\r\n\r\n  .gensei-vitamin-d-page .gvd-final-cta {\r\n    padding: 30px 24px;\r\n  }\r\n}\r\n<\/style>\r\n\r\n<div class=\"gvd-hero\">\r\n  <div class=\"gvd-wrap\">\r\n    <div class=\"gvd-hero-grid\">\r\n      <div>\r\n        <div class=\"gvd-eyebrow\">Bulk Vitamin D Supplement Ingredient Supplier<\/div>\r\n        <h1 class=\"gvd-hero-title\">Vitamin D Manufacturer & Bulk D3 Powder Supplier<\/h1>\r\n        <p class=\"gvd-hero-text\">\r\n          Gensei supplies <strong>Vitamin D powder<\/strong>, including <strong>Vitamin D3 cholecalciferol<\/strong> and selected Vitamin D ingredient options, for dietary supplements, capsules, tablets, softgels, gummies, liquid drops, nutrition powders and premix manufacturing. We support supplement brands and contract manufacturers with bulk supply, COA, specification sheet, sample availability and global B2B sourcing support.\r\n        <\/p>\r\n\r\n        <div class=\"gvd-cta-row\">\r\n          <a class=\"gvd-btn gvd-btn-primary\" href=\"\/tr\/bize-ulasin\/\">Teklif \u0130ste<\/a>\r\n          <a class=\"gvd-btn gvd-btn-secondary\" href=\"\/tr\/bize-ulasin\/\">Request COA & Specification<\/a>\r\n        <\/div>\r\n\r\n        <div class=\"gvd-badge-row\">\r\n          <span class=\"gvd-badge\">Vitamin D Powder<\/span>\r\n          <span class=\"gvd-badge\">D3 Vitamini<\/span>\r\n          <span class=\"gvd-badge\">Kolekalsiferol<\/span>\r\n          <span class=\"gvd-badge\">Supplement Grade<\/span>\r\n          <span class=\"gvd-badge\">Bulk Ingredient Supply<\/span>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-hero-card\">\r\n        <h2 class=\"gvd-card-title\">Product Highlights<\/h2>\r\n        <ul class=\"gvd-check-list\">\r\n          <li>Bulk Vitamin D raw material for dietary supplement manufacturing<\/li>\r\n          <li>Available as Vitamin D3 powder, oil dispersion or customized ingredient form<\/li>\r\n          <li>Suitable for capsules, tablets, softgels, gummies, liquid drops and multivitamins<\/li>\r\n          <li>Custom IU\/g potency options for different dosage forms and label targets<\/li>\r\n          <li>COA, specification sheet, SDS and technical documents available for qualified buyers<\/li>\r\n          <li>Bulk packaging, sample support and export coordination available<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"gvd-section\">\r\n  <div class=\"gvd-wrap\">\r\n    <div class=\"gvd-section-head\">\r\n      <h2 class=\"gvd-section-title\">What Is Vitamin D Powder?<\/h2>\r\n      <p class=\"gvd-section-desc\">\r\n        Vitamin D powder is a fat-soluble vitamin ingredient used in dietary supplement and multivitamin formulations.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"gvd-highlight\">\r\n      <p>\r\n        <strong>Vitamin D powder<\/strong> is a supplement ingredient category that includes Vitamin D3, also known as cholecalciferol, and Vitamin D2, also known as ergocalciferol. For dietary supplement manufacturing, Vitamin D ingredients are commonly supplied as microencapsulated powder, water-dispersible powder, oil dispersion or premix systems. They are used in capsules, tablets, softgels, gummies, liquid drops, multivitamins, calcium formulas, nutrition powders and custom premixes.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"gvd-grid-3\" style=\"margin-top:26px;\">\r\n      <div class=\"gvd-card\">\r\n        <div class=\"gvd-icon\">D<\/div>\r\n        <h3>Fat-Soluble Vitamin<\/h3>\r\n        <p>Vitamin D is a fat-soluble vitamin ingredient used in dietary supplements, multivitamins and nutrition formulas.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-card\">\r\n        <div class=\"gvd-icon\">D3<\/div>\r\n        <h3>Vitamin D3 Option<\/h3>\r\n        <p>Vitamin D3, or cholecalciferol, is widely selected for supplement formulas requiring a Vitamin D source.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-card\">\r\n        <div class=\"gvd-icon\">OEM<\/div>\r\n        <h3>Supplement Supply Focus<\/h3>\r\n        <p>Gensei focuses on B2B raw material supply for supplement brands, OEM factories and contract manufacturers.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"gvd-section gvd-section-soft\">\r\n  <div class=\"gvd-wrap\">\r\n    <div class=\"gvd-section-head\">\r\n      <h2 class=\"gvd-section-title\">Vitamin D Specification Options<\/h2>\r\n      <p class=\"gvd-section-desc\">\r\n        Final specifications depend on the Vitamin D form, potency, carrier system, dosage form and destination market.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"gvd-table-wrap\">\r\n      <table class=\"gvd-table\">\r\n        <thead>\r\n          <tr>\r\n            <th>Parametre<\/th>\r\n            <th>Typical Options<\/th>\r\n          <\/tr>\r\n        <\/thead>\r\n        <tbody>\r\n          <tr>\r\n            <td>Product Category<\/td>\r\n            <td>Vitamin D Powder \/ Vitamin D3 Powder \/ D3 Supplement Ingredient<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Ana Formlar<\/td>\r\n            <td>Vitamin D3 Cholecalciferol; Vitamin D2 Ergocalciferol upon request<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Common Synonyms<\/td>\r\n            <td>Cholecalciferol, Ergocalciferol, Calciferol, Vitamin D supplement ingredient<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>CAS No.<\/td>\r\n            <td>Vitamin D3 Cholecalciferol: 67-97-0; Vitamin D2 Ergocalciferol: 50-14-6<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Available Formats<\/td>\r\n            <td>Microencapsulated powder, water-dispersible powder, oil dispersion, beadlet or custom premix<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Typical Potency<\/td>\r\n            <td>100,000 IU\/g, 500,000 IU\/g, 1,000,000 IU\/g, high-potency oil or custom IU\/g upon request<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Typical Appearance<\/td>\r\n            <td>Light yellow to yellow powder, beadlet or oil depending on specification<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Application Grade<\/td>\r\n            <td>Supplement-grade options for capsules, tablets, softgels, gummies, drops, powders and premixes<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Yayg\u0131n Uygulamalar<\/td>\r\n            <td>Multivitamins, calcium formulas, bone health supplements, immune support supplements, softgels, gummies and nutrition powders<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Testing Items<\/td>\r\n            <td>Assay, identification, peroxide value, loss on drying, particle size, heavy metals, microbial limits and other parameters upon request<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Documents<\/td>\r\n            <td>COA, specification sheet, SDS, TDS, allergen statement, non-GMO statement and technical documents upon request<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Paketleme<\/td>\r\n            <td>1 kg, 5 kg, 10 kg, 20 kg, 25 kg drum\/carton or customized bulk packaging<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Depolama<\/td>\r\n            <td>Store in a cool, dry, sealed and light-protected environment. Avoid heat, oxygen, moisture and direct sunlight.<\/td>\r\n          <\/tr>\r\n        <\/tbody>\r\n      <\/table>\r\n    <\/div>\r\n\r\n    <p class=\"gvd-note\">\r\n      Note: This table is for B2B sourcing reference. Final specification, potency, carrier, packaging, shelf life and documentation should be confirmed according to the actual batch and purchase agreement.\r\n    <\/p>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"gvd-section\">\r\n  <div class=\"gvd-wrap\">\r\n    <div class=\"gvd-section-head\">\r\n      <h2 class=\"gvd-section-title\">Vitamin D3 vs. Vitamin D2<\/h2>\r\n      <p class=\"gvd-section-desc\">\r\n        Vitamin D3 and Vitamin D2 are both used in supplement formulations, but they differ in source, positioning and formulation preference.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"gvd-table-wrap\">\r\n      <table class=\"gvd-table\">\r\n        <thead>\r\n          <tr>\r\n            <th>Item<\/th>\r\n            <th>D3 Vitamini<\/th>\r\n            <th>D2 Vitamini<\/th>\r\n          <\/tr>\r\n        <\/thead>\r\n        <tbody>\r\n          <tr>\r\n            <td>Ortak \u0130sim<\/td>\r\n            <td>Kolekalsiferol<\/td>\r\n            <td>Ergokalsiferol<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>CAS No.<\/td>\r\n            <td>67-97-0<\/td>\r\n            <td>50-14-6<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Typical Supplement Use<\/td>\r\n            <td>Widely used in capsules, tablets, softgels, gummies, drops and multivitamins<\/td>\r\n            <td>Used in formulas that specifically require D2 positioning or formulation compatibility<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Available Formats<\/td>\r\n            <td>Powder, beadlet, microencapsulated powder, water-dispersible powder and oil dispersion<\/td>\r\n            <td>Powder, oil or custom specification depending on availability<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>En \u0130yi Se\u00e7im<\/td>\r\n            <td>When a conventional Vitamin D supplement ingredient is preferred<\/td>\r\n            <td>When the formula specifically requires ergocalciferol<\/td>\r\n          <\/tr>\r\n        <\/tbody>\r\n      <\/table>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"gvd-section gvd-section-soft\">\r\n  <div class=\"gvd-wrap\">\r\n    <div class=\"gvd-section-head\">\r\n      <h2 class=\"gvd-section-title\">Powder, Oil and Premix Options<\/h2>\r\n      <p class=\"gvd-section-desc\">\r\n        Different Vitamin D formats support different supplement dosage forms and manufacturing processes.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"gvd-table-wrap\">\r\n      <table class=\"gvd-table\">\r\n        <thead>\r\n          <tr>\r\n            <th>Bi\u00e7im<\/th>\r\n            <th>Typical Features<\/th>\r\n            <th>Supplement Applications<\/th>\r\n          <\/tr>\r\n        <\/thead>\r\n        <tbody>\r\n          <tr>\r\n            <td>Microencapsulated Powder<\/td>\r\n            <td>Vitamin D dispersed in a protective carrier system for dry blend applications<\/td>\r\n            <td>Tablets, capsules, gummies, premixes and nutrition powders<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Water-Dispersible Powder<\/td>\r\n            <td>Designed for improved dispersion in powder drink or aqueous-oriented systems<\/td>\r\n            <td>Drink powders, gummies, functional nutrition powders and premixes<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Oil Dispersion<\/td>\r\n            <td>Oil-compatible Vitamin D format for fat-soluble dosage forms<\/td>\r\n            <td>Softgels, liquid drops and oil-based supplement formulas<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Beadlet \/ Granular<\/td>\r\n            <td>Free-flowing particles designed for handling, blending and stability<\/td>\r\n            <td>Capsule filling, tablet compression and premix manufacturing<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>\u00d6zel Premiks<\/td>\r\n            <td>Buyer-defined potency, carrier, ratio and processing requirements<\/td>\r\n            <td>OEM supplements, private label products and contract manufacturing<\/td>\r\n          <\/tr>\r\n        <\/tbody>\r\n      <\/table>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"gvd-section\">\r\n  <div class=\"gvd-wrap\">\r\n    <div class=\"gvd-section-head\">\r\n      <h2 class=\"gvd-section-title\">Applications in Dietary Supplements<\/h2>\r\n      <p class=\"gvd-section-desc\">\r\n        Gensei supplies Vitamin D primarily for the dietary supplement and functional nutrition industry.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"gvd-application-grid\">\r\n      <div class=\"gvd-app-item\">\r\n        <strong>Kaps\u00fcller<\/strong>\r\n        <span>Used in Vitamin D capsules, multivitamins and calcium supplement formulas.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-app-item\">\r\n        <strong>Tabletler<\/strong>\r\n        <span>Suitable for compressed tablets, chewable tablets and daily supplement products.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-app-item\">\r\n        <strong>Softgels<\/strong>\r\n        <span>Oil dispersion options can support fat-soluble softgel supplement products.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-app-item\">\r\n        <strong>Sak\u0131zlar<\/strong>\r\n        <span>Microencapsulated or dispersible forms may support gummy supplement manufacturing.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-app-item\">\r\n        <strong>S\u0131v\u0131 Damlalar<\/strong>\r\n        <span>Oil-based Vitamin D ingredients may be used in dropper and liquid supplement products.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-app-item\">\r\n        <strong>Multivitamins<\/strong>\r\n        <span>Used as a Vitamin D source in multivitamin and mineral supplement formulas.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-app-item\">\r\n        <strong>Nutrition Powders<\/strong>\r\n        <span>Can be used in drink powders, meal replacement powders and functional nutrition blends.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-app-item\">\r\n        <strong>OEM Supplements<\/strong>\r\n        <span>Supports private label and contract manufacturing projects requiring Vitamin D.<\/span>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"gvd-section gvd-section-soft\">\r\n  <div class=\"gvd-wrap\">\r\n    <div class=\"gvd-section-head\">\r\n      <h2 class=\"gvd-section-title\">Why Choose Gensei as Your Vitamin D Supplier?<\/h2>\r\n      <p class=\"gvd-section-desc\">\r\n        Gensei provides procurement-oriented support for supplement brands and contract manufacturers sourcing Vitamin D powder and D3 ingredients.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"gvd-grid-3\">\r\n      <div class=\"gvd-card\">\r\n        <div class=\"gvd-icon\">01<\/div>\r\n        <h3>Supplement-Focused Supply<\/h3>\r\n        <p>Our Vitamin D ingredient support is focused on dietary supplements, capsules, tablets, softgels, gummies, drops and premixes.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-card\">\r\n        <div class=\"gvd-icon\">02<\/div>\r\n        <h3>Multiple Format Options<\/h3>\r\n        <p>Gensei can discuss Vitamin D3 powder, microencapsulated powder, water-dispersible powder, oil dispersion and custom premix options.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-card\">\r\n        <div class=\"gvd-icon\">03<\/div>\r\n        <h3>Document Support<\/h3>\r\n        <p>COA, specification sheet, SDS, TDS, allergen statement and other technical documents can be provided for qualified B2B buyers.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-card\">\r\n        <div class=\"gvd-icon\">04<\/div>\r\n        <h3>Application Matching<\/h3>\r\n        <p>We help match potency, carrier, particle size and dispersibility with capsules, tablets, softgels, gummies and powder formulas.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-card\">\r\n        <div class=\"gvd-icon\">05<\/div>\r\n        <h3>Bulk Packaging<\/h3>\r\n        <p>Bulk packaging can be arranged according to specification, order quantity, stability needs and shipping requirements.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-card\">\r\n        <div class=\"gvd-icon\">06<\/div>\r\n        <h3>Global Supply Support<\/h3>\r\n        <p>Gensei supports international supplement buyers with quotation, sample coordination, documentation and export shipment planning.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"gvd-section\">\r\n  <div class=\"gvd-wrap\">\r\n    <div class=\"gvd-section-head\">\r\n      <h2 class=\"gvd-section-title\">Quality Control & Documentation<\/h2>\r\n      <p class=\"gvd-section-desc\">\r\n        For supplement raw material purchasing, batch documentation and quality testing are essential for supplier evaluation.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"gvd-grid-3\">\r\n      <div class=\"gvd-card\">\r\n        <div class=\"gvd-icon\">QC<\/div>\r\n        <h3>Parti COA's\u0131<\/h3>\r\n        <p>Certificate of Analysis can be provided to verify key batch parameters such as assay, identification and quality limits.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-card\">\r\n        <div class=\"gvd-icon\">TDS<\/div>\r\n        <h3>Specification Sheet<\/h3>\r\n        <p>Technical specifications help your R&D, purchasing and quality teams evaluate suitability before bulk purchase.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-card\">\r\n        <div class=\"gvd-icon\">SDS<\/div>\r\n        <h3>Safety & Handling<\/h3>\r\n        <p>SDS and storage information can support internal handling, warehousing and supplement production planning.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n\r\n    <div class=\"gvd-highlight\" style=\"margin-top:26px;\">\r\n      <p>\r\n        For best stability, Vitamin D ingredients should be stored in unopened original packaging under cool, dry and light-protected conditions. Buyers should confirm potency, carrier system, shelf life, packaging, assay method and storage conditions before placing bulk orders.\r\n      <\/p>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"gvd-section gvd-section-soft\">\r\n  <div class=\"gvd-wrap\">\r\n    <div class=\"gvd-section-head\">\r\n      <h2 class=\"gvd-section-title\">Bulk Ordering Process<\/h2>\r\n      <p class=\"gvd-section-desc\">\r\n        Gensei helps supplement buyers move from specification review to quotation, sampling and shipment.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"gvd-process\">\r\n      <div class=\"gvd-process-item\">\r\n        <span class=\"gvd-process-number\">1<\/span>\r\n        <strong>Share Your Requirement<\/strong>\r\n        <span>Tell us your target Vitamin D form, IU\/g potency, dosage form, application, order quantity, packaging needs and destination market.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-process-item\">\r\n        <span class=\"gvd-process-number\">2<\/span>\r\n        <strong>Confirm Specification<\/strong>\r\n        <span>Our team confirms available Vitamin D3 powder, oil dispersion, dispersible powder or custom premix options for your project.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-process-item\">\r\n        <span class=\"gvd-process-number\">3<\/span>\r\n        <strong>Review COA & Documents<\/strong>\r\n        <span>Qualified buyers can request COA, specification sheet, SDS and related technical documents before bulk ordering.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-process-item\">\r\n        <span class=\"gvd-process-number\">4<\/span>\r\n        <strong>Quotation & Sample<\/strong>\r\n        <span>We provide pricing, MOQ, lead time, sample availability and shipping information based on the selected specification.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"gvd-process-item\">\r\n        <span class=\"gvd-process-number\">5<\/span>\r\n        <strong>Bulk Order & Shipment<\/strong>\r\n        <span>Batch quality confirmation, packaging and export shipment coordination are arranged before delivery.<\/span>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"gvd-section\">\r\n  <div class=\"gvd-wrap\">\r\n    <div class=\"gvd-section-head\">\r\n      <h2 class=\"gvd-section-title\">S\u0131k\u00e7a Sorulan Sorular<\/h2>\r\n      <p class=\"gvd-section-desc\">\r\n        Common questions from supplement brands, OEM manufacturers, contract manufacturers and ingredient buyers.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"gvd-faq\">\r\n      <details open>\r\n        <summary>What is Vitamin D powder?<\/summary>\r\n        <p>Vitamin D powder is a fat-soluble vitamin ingredient used in dietary supplements, multivitamins, capsules, tablets, gummies, softgels, liquid drops and nutrition powders. It can include Vitamin D3 cholecalciferol or Vitamin D2 ergocalciferol depending on formulation needs.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>What forms of Vitamin D does Gensei supply?<\/summary>\r\n        <p>Gensei can discuss Vitamin D3 powder, microencapsulated powder, water-dispersible powder, oil dispersion, beadlet and custom premix options based on your supplement formula.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>What is the difference between Vitamin D3 and Vitamin D2?<\/summary>\r\n        <p>Vitamin D3 is also called cholecalciferol, while Vitamin D2 is called ergocalciferol. Both may be used in supplements, but D3 is more commonly selected for many dietary supplement formulations.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>What is the CAS number of Vitamin D3?<\/summary>\r\n        <p>The CAS number of Vitamin D3, also known as cholecalciferol, is 67-97-0.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>Is Vitamin D suitable for dietary supplements?<\/summary>\r\n        <p>Yes. Vitamin D is commonly used in dietary supplements, including capsules, tablets, softgels, gummies, liquid drops, multivitamins, calcium formulas, drink powders and premixes.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>Can Vitamin D be used in gummies?<\/summary>\r\n        <p>Yes. Selected microencapsulated or water-dispersible Vitamin D forms may be used in gummy supplements. The final choice should consider dosage, taste, stability, processing temperature and formula compatibility.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>Can Vitamin D be used in softgels?<\/summary>\r\n        <p>Yes. Oil dispersion forms of Vitamin D can be considered for softgels and other oil-based supplement dosage forms. Please share your target potency and formula type for confirmation.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>Can I request COA and specification before ordering?<\/summary>\r\n        <p>Yes. Qualified B2B buyers can request COA, specification sheet, SDS and related technical documents before placing a bulk order.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>What is the MOQ for Vitamin D powder?<\/summary>\r\n        <p>MOQ depends on the specific form, IU\/g potency, carrier system, packaging, stock status and destination market. Please contact Gensei with your required specification and purchase quantity for a detailed quotation.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>Do you supply Vitamin D for medical or pharmaceutical use?<\/summary>\r\n        <p>This page is focused on B2B dietary supplement ingredient sourcing. If your project involves pharmaceutical, medical or regulated therapeutic applications, please confirm the required grade, documentation and regulatory pathway separately.<\/p>\r\n      <\/details>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"gvd-section gvd-section-soft\">\r\n  <div class=\"gvd-wrap\">\r\n    <div class=\"gvd-final-cta\">\r\n      <div>\r\n        <h2>Source Bulk Vitamin D Powder from Gensei<\/h2>\r\n        <p>Looking for a Vitamin D manufacturer or bulk Vitamin D3 powder supplier for dietary supplements? Contact Gensei to request quotation, COA, specification sheet, MOQ, sample availability and global shipping support.<\/p>\r\n      <\/div>\r\n\r\n      <div>\r\n        <a class=\"gvd-btn\" href=\"\/tr\/bize-ulasin\/\">Contact Supplier<\/a>\r\n      <\/div>\r\n    <\/div>\r\n\r\n    <p class=\"gvd-disclaimer\">\r\n      Disclaimer: This product information is intended for B2B dietary supplement ingredient sourcing and formulation reference only. It is not intended to diagnose, treat, cure or prevent any disease. Final supplement claims, dosage, labeling, warning statements and market compliance should be reviewed according to applicable regulations in the destination market.\r\n    <\/p>\r\n  <\/div>\r\n<\/div>\r\n\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Bulk Vitamin D Supplement Ingredient Supplier Vitamin D Manufacturer &#038; Bulk D3 Powder Supplier Gensei supplies Vitamin D powder, including [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":4842,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-4862","page","type-page","status-publish","hentry"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"collagensei.com","author_link":"https:\/\/collagensei.com\/tr\/author\/collagensei\/"},"uagb_comment_info":0,"uagb_excerpt":"Bulk Vitamin D Supplement Ingredient Supplier Vitamin D Manufacturer &#038; Bulk D3 Powder Supplier Gensei supplies Vitamin D powder, including [&hellip;]","_links":{"self":[{"href":"https:\/\/collagensei.com\/tr\/wp-json\/wp\/v2\/pages\/4862","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/collagensei.com\/tr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/collagensei.com\/tr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/collagensei.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/collagensei.com\/tr\/wp-json\/wp\/v2\/comments?post=4862"}],"version-history":[{"count":3,"href":"https:\/\/collagensei.com\/tr\/wp-json\/wp\/v2\/pages\/4862\/revisions"}],"predecessor-version":[{"id":20899,"href":"https:\/\/collagensei.com\/tr\/wp-json\/wp\/v2\/pages\/4862\/revisions\/20899"}],"up":[{"embeddable":true,"href":"https:\/\/collagensei.com\/tr\/wp-json\/wp\/v2\/pages\/4842"}],"wp:attachment":[{"href":"https:\/\/collagensei.com\/tr\/wp-json\/wp\/v2\/media?parent=4862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}