{"id":4846,"date":"2025-03-20T13:45:04","date_gmt":"2025-03-20T05:45:04","guid":{"rendered":"https:\/\/collagensei.com\/?page_id=4846"},"modified":"2026-10-20T17:32:25","modified_gmt":"2026-10-20T09:32:25","slug":"produttore-di-vitamina-d3","status":"publish","type":"page","link":"https:\/\/collagensei.com\/it\/vitamins-supplier\/vitamin-d3-manufacturer\/","title":{"rendered":"Vitamina D3 Produttore"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"4846\" class=\"elementor elementor-4846\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fa9a63a e-con-full e-flex e-con e-parent\" data-id=\"fa9a63a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8da0e65 elementor-widget elementor-widget-html\" data-id=\"8da0e65\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!--\r\nSEO implementation (set in your SEO plugin \/ page settings, not as visible body copy):\r\nSEO Title: Vitamin D3 Powder Supplier | Bulk Cholecalciferol | Gensei\r\nMeta Description: Source bulk vitamin D3 (cholecalciferol) CWS powder specified at \u2265100,000 IU\/g for supplements, premixes and food fortification. 25 kg\/carton; request COA, specification and quotation.\r\nRecommended canonical: https:\/\/collagensei.com\/vitamins-supplier\/vitamin-d3-manufacturer\/\r\n\r\nKeyword mapping:\r\nPrimary: vitamin d3 powder\r\nCommercial\/supporting: bulk vitamin d3 powder; vitamin d3 powder supplier; vitamin d3 manufacturer; vitamin d3 wholesale\r\nEntity\/semantic: cholecalciferol; cholecalciferol powder; vitamin d3 CWS powder\r\nDo not force exact-match variants such as \"vitamin d3 powder bulk\" or \"powder vitamin d3\" into visible copy.\r\n-->\r\n<style>\r\n.gensei-vitamin-d3-page{\r\n  position:relative;\r\n  left:50%;\r\n  transform:translateX(-50%);\r\n  width:100vw;\r\n  max-width:100vw;\r\n  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.g-lead{\r\n    font-size:16px;\r\n  }\r\n\r\n  .gensei-vitamin-d3-page .g-hero-image{\r\n    border-radius:18px;\r\n  }\r\n\r\n  .gensei-vitamin-d3-page .g-section{\r\n    padding:52px 0;\r\n  }\r\n\r\n  .gensei-vitamin-d3-page .g-facts,\r\n  .gensei-vitamin-d3-page .g-quality-grid,\r\n  .gensei-vitamin-d3-page .g-application-grid,\r\n  .gensei-vitamin-d3-page .g-doc-grid,\r\n  .gensei-vitamin-d3-page .g-fit-list{\r\n    grid-template-columns:1fr;\r\n  }\r\n\r\n  .gensei-vitamin-d3-page .g-inquiry-section{\r\n    padding:54px 0;\r\n  }\r\n\r\n  .gensei-vitamin-d3-page .g-quote-grid{\r\n    grid-template-columns:1fr;\r\n  }\r\n\r\n  .gensei-vitamin-d3-page .g-form-card{\r\n    padding:23px 18px 20px;\r\n    border-radius:18px;\r\n  }\r\n\r\n  .gensei-vitamin-d3-page .g-inquiry-copy h2{\r\n    font-size:38px;\r\n  }\r\n\r\n  .gensei-vitamin-d3-page table{\r\n    min-width:760px;\r\n  }\r\n}\r\n<\/style>\r\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"Vitamin D3 Powder\",\"alternateName\":[\"Cholecalciferol Powder\",\"Vitamin D3 CWS Powder\"],\"description\":\"Bulk vitamin D3 (cholecalciferol) CWS powder specified at at least 100,000 IU\/g for supplement, premix and food-fortification manufacturing.\",\"image\":\"https:\/\/collagensei.com\/wp-content\/uploads\/2026\/09\/Vitamin-D3-Powder.webp\",\"category\":\"Dietary Supplement Ingredient\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Gensei\"}}<\/script>\r\n<div class=\"gensei-vitamin-d3-page\">\r\n<section class=\"g-hero\"><div class=\"g-wrap g-hero-grid\"><div><p class=\"g-eyebrow\">Cholecalciferol CWS Ingredient<\/p><h1>Bulk Vitamin D3 Powder Supplier<\/h1><p class=\"g-lead\">Gensei supplies vitamin D3 (cholecalciferol) CWS powder specified at \u2265100,000 IU\/g for supplement, premix and food-fortification manufacturing.<\/p><div class=\"g-actions\"><a class=\"g-btn g-btn-primary\" href=\"#vitamin-d3-inquiry\">Request a Quote<\/a><\/div><\/div><div class=\"g-hero-image\"><img src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2026\/09\/Vitamin-D3-Powder.webp\" alt=\"Vitamin D3 powder cholecalciferol CWS ingredient\" loading=\"eager\" fetchpriority=\"high\" decoding=\"async\"><\/div><\/div><\/section>\r\n\r\n<section class=\"g-section\"><div class=\"g-wrap\"><div class=\"g-section-head\"><p class=\"g-kicker\">Product Snapshot<\/p><h2>Vitamin D3 (Cholecalciferol) Powder at a Glance<\/h2><p>Core identity, format and physical characteristics for initial ingredient screening and formulation review.<\/p><\/div><div class=\"g-facts\"><div class=\"g-fact\"><span>Active ingredient<\/span><strong>Cholecalciferol<\/strong><\/div><div class=\"g-fact\"><span>CAS number<\/span><strong>67-97-0<\/strong><\/div><div class=\"g-fact\"><span>Format<\/span><strong>CWS powder<\/strong><\/div><div class=\"g-fact\"><span>Appearance<\/span><strong>White to light yellow free-flowing powder<\/strong><\/div><\/div><\/div><\/section>\r\n\r\n<section class=\"g-section g-section-soft\"><div class=\"g-wrap\"><div class=\"g-section-head\"><p class=\"g-kicker\">Formulation Information<\/p><h2>Formulating with Vitamin D3 CWS Powder<\/h2><p>Three practical points help determine addition, dispersion and blending fit before scale-up into the intended finished product.<\/p><\/div><div class=\"g-quality-grid\"><article class=\"g-quality-card\"><h3>Potency Basis<\/h3><p>The ingredient specification is \u2265100,000 IU\/g. Addition levels should be calculated from the supplied powder specification rather than treating the material as pure cholecalciferol.<\/p><\/article><article class=\"g-quality-card\"><h3>Dispersion in the Finished Matrix<\/h3><p>The CWS format is designed for cold-water dispersion. Actual behavior still depends on the complete formula, mixing sequence and process conditions, so dispersion should be checked in the intended matrix.<\/p><\/article><article class=\"g-quality-card\"><h3>Low-Inclusion Blending<\/h3><p>Vitamin D is typically incorporated at a low inclusion level. Premixing or another validated blending approach can help achieve uniform distribution before the ingredient enters the final batch.<\/p><\/article><\/div><\/div><\/section>\r\n\r\n<section class=\"g-section\"><div class=\"g-wrap\"><div class=\"g-section-head\"><p class=\"g-kicker\">Technical Specification<\/p><h2>Vitamin D3 Powder Specification and Quality Limits<\/h2><p>Technical criteria covering identity, particle size, moisture, elemental limits and microbiological quality for ingredient review.<\/p><\/div><div class=\"g-table-wrap\"><table><thead><tr><th>Test Item<\/th><th>Specification<\/th><th>Method<\/th><\/tr><\/thead><tbody><tr><td>Identification<\/td><td>Principal HPLC peak retention time matches reference<\/td><td>HPLC<\/td><\/tr><tr><td>Particle size<\/td><td>100% through 40 mesh; \u226580% through 80 mesh<\/td><td>USP &lt;786&gt; \/ Ph.Eur. 2.9.38<\/td><\/tr><tr><td>Loss on drying<\/td><td>\u22645.0%<\/td><td>USP &lt;731&gt; \/ Ph.Eur. 2.2.32<\/td><\/tr><tr><td>Lead (Pb)<\/td><td>\u22642.0 ppm<\/td><td>USP &lt;251&gt; \/ Ph.Eur. 2.4.10<\/td><\/tr><tr><td>Arsenic (As)<\/td><td>\u22642.0 ppm<\/td><td>USP &lt;211&gt; \/ Ph.Eur. 2.4.2<\/td><\/tr><tr><td>Total aerobic microbial count<\/td><td>\u22641,000 CFU\/g<\/td><td>USP &lt;2021&gt;<\/td><\/tr><tr><td>Total moulds and yeasts<\/td><td>\u2264100 CFU\/g<\/td><td>USP &lt;2021&gt;<\/td><\/tr><tr><td>Enterobacteria<\/td><td>\u226410 CFU\/g<\/td><td>Ph.Eur. 2.6.13<\/td><\/tr><\/tbody><\/table><\/div><\/div><\/section>\r\n\r\n<section class=\"g-section g-section-soft\"><div class=\"g-wrap\"><div class=\"g-section-head\"><p class=\"g-kicker\">Application Fit<\/p><h2>Vitamin D3 Powder Applications<\/h2><p>The CWS format can be evaluated for supplement, premix and food-fortification projects based on the finished format, blending route and processing environment.<\/p><\/div><div class=\"g-application-grid\"><article class=\"g-application\"><h3>Capsules &amp; Tablets<\/h3><p>Suitable for dry-dose formulas where the D3 ingredient can be distributed uniformly through the powder blend before encapsulation or compression.<\/p><\/article><article class=\"g-application\"><h3>Vitamin &amp; Mineral Premixes<\/h3><p>A practical route for incorporating a low-dose micronutrient into a larger intermediate blend before final product manufacturing.<\/p><\/article><article class=\"g-application\"><h3>Fortified Foods &amp; Nutrition Powders<\/h3><p>Applicable to fortification projects after confirming dispersion, process compatibility and the requirements of the intended finished product.<\/p><\/article><\/div><\/div><\/section>\r\n\r\n<section class=\"g-section\"><div class=\"g-wrap\"><div class=\"g-section-head\"><p class=\"g-kicker\">Supply &amp; Documentation<\/p><h2>Bulk Supply and Quality Documentation<\/h2><p>Purchasing and QA teams can review packaging, applicable batch documents and project requirements before placing a vitamin D3 ingredient order.<\/p><\/div><div class=\"g-standard-grid\"><article class=\"g-standard-card\"><h3>Bulk Packaging<\/h3><p>Standard packing is 25 kg per carton for commercial ingredient supply.<\/p><\/article><article class=\"g-standard-card\"><h3>Batch Documentation<\/h3><p>Request the applicable COA and product specification for incoming-material review and release procedures.<\/p><\/article><article class=\"g-standard-card\"><h3>Storage<\/h3><p>Store at ambient temperature in accordance with the product documentation and normal warehouse controls for sealed ingredient materials.<\/p><\/article><article class=\"g-standard-card\"><h3>Before Ordering<\/h3><p>Provide the intended application, required quantity and destination so the appropriate product and commercial information can be matched to the project.<\/p><\/article><\/div><\/div><\/section>\r\n\r\n<section class=\"g-inquiry-section\" id=\"vitamin-d3-inquiry\">\r\n  <div class=\"g-wrap g-inquiry-grid\">\r\n    <div class=\"g-inquiry-copy\">\r\n      <div class=\"g-inquiry-pill\">Vitamin D3 Powder Inquiry<\/div>\r\n      <h2>Request Vitamin D3 Powder Pricing<\/h2>\r\n      <p>Send your purchasing requirements so our team can prepare product and commercial information relevant to your project.<\/p>\r\n\r\n      <div class=\"g-quote-guide\">\r\n        <h3>For a More Relevant Quote<\/h3>\r\n        <p>Include the purchasing details below where available.<\/p>\r\n\r\n        <div class=\"g-quote-grid\">\r\n          <div class=\"g-quote-item\">\r\n            <strong>Required Quantity<\/strong>\r\n            <span>Share your estimated order quantity or purchasing volume.<\/span>\r\n          <\/div>\r\n          <div class=\"g-quote-item\">\r\n            <strong>Destination Market<\/strong>\r\n            <span>Provide the destination country or region for the shipment.<\/span>\r\n          <\/div>\r\n          <div class=\"g-quote-item\">\r\n            <strong>Finished-Product Format<\/strong>\r\n            <span>Tell us whether the project is a tablet, capsule, premix or another formulation.<\/span>\r\n          <\/div>\r\n          <div class=\"g-quote-item\">\r\n            <strong>Qualification Requirements<\/strong>\r\n            <span>Mention any supplier-review, regulatory or supporting-document requirements relevant to your project.<\/span>\r\n          <\/div>\r\n        <\/div>\r\n\r\n        <div class=\"g-quote-note\">If some details are not yet confirmed, send what you have and our team can follow up on the remaining requirements.<\/div>\r\n      <\/div>\r\n    <\/div>\r\n\r\n    <div class=\"g-form-card\">\r\n      <h3>Send Your Inquiry<\/h3>\r\n      <p class=\"g-form-intro\">Share your company details and purchasing requirements.<\/p>\r\n      \n<div class=\"wpcf7 no-js\" id=\"wpcf7-f74-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"74\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/it\/wp-json\/wp\/v2\/pages\/4846#wpcf7-f74-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"74\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.7\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f74-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class=\"stay-touch\">\n\t<ul>\n\t\t<li>\n\t\t\t<p><label> Name: <span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span><\/label>\n\t\t\t<\/p>\n\t\t<\/li>\n\t\t<li>\n\t\t\t<p><label> Company Name: <span class=\"wpcf7-form-control-wrap\" data-name=\"your-company\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-company\" \/><\/span><\/label>\n\t\t\t<\/p>\n\t\t<\/li>\n\t\t<li>\n\t\t\t<p><label> Email: <span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-email\" \/><\/span><\/label>\n\t\t\t<\/p>\n\t\t<\/li>\n\t\t<li>\n\t\t\t<p><label> Tel: <span class=\"wpcf7-form-control-wrap\" data-name=\"your-tel\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-tel\" \/><\/span><\/label>\n\t\t\t<\/p>\n\t\t<\/li>\n\t\t<li>\n\t\t\t<p><label> Message: <span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"10\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" name=\"your-message\"><\/textarea><\/span><\/label>\n\t\t\t<\/p>\n\t\t<\/li>\n\t\t<li style=\"text-align:center\">\n\t\t\t<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"SEND\" \/>\n\t\t\t<\/p>\n\t\t<\/li>\n\t<\/ul>\n<\/div><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n\r\n    <\/div>\r\n  <\/div>\r\n<\/section>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Cholecalciferol CWS Ingredient Bulk Vitamin D3 Powder Supplier Gensei supplies vitamin D3 (cholecalciferol) CWS powder specified at 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