{"id":4864,"date":"2025-03-20T15:52:54","date_gmt":"2025-03-20T07:52:54","guid":{"rendered":"https:\/\/collagensei.com\/?page_id=4864"},"modified":"2026-10-21T13:09:13","modified_gmt":"2026-10-21T05:09:13","slug":"vitamina-c","status":"publish","type":"page","link":"https:\/\/collagensei.com\/fr\/vitamins-supplier\/vitamina-c\/","title":{"rendered":"Vitamine C"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"4864\" class=\"elementor elementor-4864\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6720952 e-con-full e-flex e-con e-parent\" data-id=\"6720952\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7ded8c1 elementor-widget elementor-widget-html\" data-id=\"7ded8c1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!--\r\nSEO TITLE: Vitamin C Powder | Bulk L-Ascorbic Acid Powder | Gensei\r\nMETA DESCRIPTION: Bulk vitamin C powder (L-ascorbic acid) for supplements, food and beverage formulations. Review specifications, application considerations and request a quote.\r\nCANONICAL: https:\/\/collagensei.com\/vitamins-supplier\/vitamina-c\/\r\n\r\nKEYWORD STRATEGY (based on supplied keyword research):\r\nPrimary: vitamin c powder\r\nCommercial intent: bulk vitamin c; vitamin c bulk; vitamin c powder bulk (used naturally as \"bulk vitamin C powder\", not forced exact-match inversion)\r\nEntity\/product terms: l ascorbic acid powder; l-ascorbic acid powder; l ascorbic acid powder vitamin c (covered through natural Vitamin C \u2194 L-ascorbic acid relationship)\r\nComparison intent, not claim language: best vitamin c powder; best ascorbic acid powder; best vitamin c ingredient bulk supplier\r\nThe \"best\" queries are answered with sourcing\/selection criteria rather than unsupported \"best\" 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.g-grid-3,.gensei-vitc-page .g-decision-grid,.gensei-vitc-page .g-quote-guide{grid-template-columns:1fr}.gensei-vitc-page .g-inquiry{padding:54px 0}.gensei-vitc-page .g-form-card{padding:23px 18px 20px;border-radius:18px}.gensei-vitc-page .g-inquiry-copy h2{font-size:38px}.gensei-vitc-page .g-supply-band{padding:26px 22px}}\r\n<\/style>\r\n\r\n<div class=\"gensei-vitc-page\">\r\n<section class=\"g-hero\" aria-labelledby=\"vitc-h1\">\r\n<div class=\"g-wrap g-hero-grid\">\r\n<div>\r\n<p class=\"g-eyebrow\">L-Ascorbic Acid Powder<\/p>\r\n<h1 id=\"vitc-h1\">Vitamin C Powder (L-Ascorbic Acid)<\/h1>\r\n<p class=\"g-lead\">Gensei supplies vitamin C powder as L-ascorbic acid for dietary supplements, fortified foods and beverage formulations. Its acidic profile and sensitivity to processing conditions make ingredient quality, formulation fit and finished-product stability important considerations during product development.<\/p>\r\n<a class=\"g-btn\" href=\"#vitc-inquiry\">Request a Quote<\/a>\r\n<\/div>\r\n<div class=\"g-hero-image\"><img fetchpriority=\"high\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2026\/09\/Ascorbic-Acid.webp\" alt=\"Vitamin C powder L-ascorbic acid ingredient\" width=\"800\" height=\"800\" loading=\"eager\" fetchpriority=\"high\" decoding=\"async\"><\/div>\r\n<\/div>\r\n<\/section>\r\n\r\n<section class=\"g-section\" aria-labelledby=\"vitc-identity\">\r\n<div class=\"g-wrap\">\r\n<div class=\"g-section-head\">\r\n<p class=\"g-kicker\">Product Identity<\/p>\r\n<h2 id=\"vitc-identity\">Vitamin C as L-Ascorbic Acid Powder<\/h2>\r\n<p>For this product, vitamin C is supplied as ascorbic acid. The analytical standard identifies a white or almost white crystalline material and evaluates identity, solution properties, purity and selected contaminant limits before batch approval.<\/p>\r\n<\/div>\r\n<div class=\"g-facts\">\r\n<div class=\"g-fact\"><span>Ingredient<\/span><strong>Ascorbic Acid<\/strong><\/div>\r\n<div class=\"g-fact\"><span>Vitamin Identity<\/span><strong>Vitamin C<\/strong><\/div>\r\n<div class=\"g-fact\"><span>Analysis Standard<\/span><strong>BP \/ USP<\/strong><\/div>\r\n<div class=\"g-fact\"><span>Appearance<\/span><strong>White or Almost White Crystals<\/strong><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n\r\n<section class=\"g-section g-section-soft\" id=\"vitc-specifications\" aria-labelledby=\"vitc-spec-heading\">\r\n<div class=\"g-wrap\">\r\n<div class=\"g-section-head\">\r\n<p class=\"g-kicker\">Technical Review<\/p>\r\n<h2 id=\"vitc-spec-heading\">L-Ascorbic Acid Powder Specifications<\/h2>\r\n<p>The specification below organizes the principal identity, solution, purity and elemental requirements used to review this ascorbic acid ingredient. Batch results should be checked against the current Certificate of Analysis during qualification.<\/p>\r\n<\/div>\r\n<div class=\"g-table-wrap\">\r\n<table>\r\n<thead><tr><th scope=\"col\">Test Parameter<\/th><th scope=\"col\">Reference Specification<\/th><\/tr><\/thead>\r\n<tbody>\r\n<tr class=\"g-group\"><td colspan=\"2\">Identity &amp; Physical \/ Solution Properties<\/td><\/tr>\r\n<tr><td>Characteristics<\/td><td>White or almost white crystals \/ crystalline<\/td><\/tr>\r\n<tr><td>Identification<\/td><td>Positive reaction<\/td><\/tr>\r\n<tr><td>Melting Point<\/td><td>About 190\u00b0C<\/td><\/tr>\r\n<tr><td>pH (2% water solution)<\/td><td>2.4\u20132.8<\/td><\/tr>\r\n<tr><td>pH (5% water solution)<\/td><td>2.1\u20132.6<\/td><\/tr>\r\n<tr><td>Clarity of Solution<\/td><td>Clear<\/td><\/tr>\r\n<tr><td>Colour of Solution<\/td><td>\u2264 BY7<\/td><\/tr>\r\n<tr><td>Specific Optical Rotation<\/td><td>+20.5\u00b0 to +21.5\u00b0<\/td><\/tr>\r\n<tr class=\"g-group\"><td colspan=\"2\">Assay &amp; Purity<\/td><\/tr>\r\n<tr><td>Assay<\/td><td>99.0%\u2013100.5%<\/td><\/tr>\r\n<tr><td>Loss on Drying<\/td><td>\u22640.4%<\/td><\/tr>\r\n<tr><td>Sulphated Ash \/ Residue on Ignition<\/td><td>\u22640.1%<\/td><\/tr>\r\n<tr><td>Oxalic Acid<\/td><td>\u22640.2%<\/td><\/tr>\r\n<tr><td>Impurity E<\/td><td>\u22640.2%<\/td><\/tr>\r\n<tr><td>Residual Solvents<\/td><td>Pass<\/td><\/tr>\r\n<tr class=\"g-group\"><td colspan=\"2\">Selected Elemental Limits<\/td><\/tr>\r\n<tr><td>Copper<\/td><td>\u22645 ppm<\/td><\/tr>\r\n<tr><td>Heavy Metals<\/td><td>\u226410 ppm<\/td><\/tr>\r\n<tr><td>Iron<\/td><td>\u22642 ppm<\/td><\/tr>\r\n<tr><td>Lead<\/td><td>\u22642 mg\/kg<\/td><\/tr>\r\n<tr><td>Arsenic<\/td><td>\u22643 ppm<\/td><\/tr>\r\n<tr><td>Cadmium<\/td><td>\u22641 mg\/kg<\/td><\/tr>\r\n<tr><td>Mercury<\/td><td>\u22640.1 mg\/kg<\/td><\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<p class=\"g-spec-note\">Reference limits are based on the supplied product COA. Request the current specification and batch COA for purchasing and qualification decisions.<\/p>\r\n<\/div>\r\n<\/section>\r\n\r\n<section class=\"g-section\" aria-labelledby=\"vitc-formulation\">\r\n<div class=\"g-wrap\">\r\n<div class=\"g-section-head\">\r\n<p class=\"g-kicker\">Formulation Considerations<\/p>\r\n<h2 id=\"vitc-formulation\">Working with Vitamin C Powder in Finished Formulas<\/h2>\r\n<p>The analytical specification establishes ingredient quality limits; formulation suitability still depends on the finished product and process. These are practical points to review during development rather than additional claims about the raw material.<\/p>\r\n<\/div>\r\n<div class=\"g-grid-3\">\r\n<article class=\"g-card\"><h3>Acidity &amp; Taste<\/h3><p>Ascorbic acid contributes acidity. In drink mixes, gummies, chewables and beverages, the full acid and flavor system should be evaluated together rather than treating vitamin C addition as an isolated step.<\/p><\/article>\r\n<article class=\"g-card\"><h3>Heat &amp; Oxygen Exposure<\/h3><p>Processing and storage conditions can influence vitamin C retention in a finished product. Validate the intended process and shelf-life conditions on the actual formulation.<\/p><\/article>\r\n<article class=\"g-card\"><h3>Dry Blend Handling<\/h3><p>For tablets, capsules and powdered products, assess blend behavior and downstream processing against the excipient system and equipment used in production.<\/p><\/article>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n\r\n<section class=\"g-section g-section-soft\" aria-labelledby=\"vitc-applications\">\r\n<div class=\"g-wrap\">\r\n<div class=\"g-section-head\">\r\n<p class=\"g-kicker\">Application Fit<\/p>\r\n<h2 id=\"vitc-applications\">Where L-Ascorbic Acid Powder Is Commonly Evaluated<\/h2>\r\n<p>Application requirements differ by dosage form and food system. The useful question is not simply whether vitamin C can be added, but what needs to be checked before the ingredient is approved for that formulation.<\/p>\r\n<\/div>\r\n<div class=\"g-grid-3\">\r\n<article class=\"g-card\"><h3>Capsules &amp; Powder Supplements<\/h3><p>Suitable for evaluation in single-ingredient and multi-ingredient dry formulas. Confirm the target serving level, blend uniformity and manufacturing process for the finished product.<\/p><\/article>\r\n<article class=\"g-card\"><h3>Tablets &amp; Chewables<\/h3><p>Review powder behavior together with the excipient and compression system. Chewable products also require deliberate taste and acidity management.<\/p><\/article>\r\n<article class=\"g-card\"><h3>Drink Mixes &amp; Sachets<\/h3><p>For dry beverage formats, evaluate dissolution, sensory balance and the conditions the product will encounter after preparation.<\/p><\/article>\r\n<article class=\"g-card\"><h3>Gummies<\/h3><p>Consider the complete acid system, flavor profile and processing sequence so vitamin C addition is compatible with the intended gummy formula.<\/p><\/article>\r\n<article class=\"g-card\"><h3>Beverage Formulation<\/h3><p>Review pH, oxygen exposure, processing conditions and expected shelf life when qualifying ascorbic acid for a beverage application.<\/p><\/article>\r\n<article class=\"g-card\"><h3>Food Fortification<\/h3><p>Confirm the intended addition level, processing conditions and destination-market requirements before approving the ingredient for a fortified food.<\/p><\/article>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n\r\n<section class=\"g-section\" aria-labelledby=\"vitc-sourcing\">\r\n<div class=\"g-wrap\">\r\n<div class=\"g-section-head\">\r\n<p class=\"g-kicker\">Sourcing Decision<\/p>\r\n<h2 id=\"vitc-sourcing\">What to Review When Sourcing Vitamin C Powder<\/h2>\r\n<p>Searches for the \u201cbest\u201d vitamin C or ascorbic acid powder are ultimately comparison questions. For a B2B ingredient purchase, the more useful approach is to compare the material and supplier against your own qualification requirements.<\/p>\r\n<\/div>\r\n<div class=\"g-decision-grid\">\r\n<article class=\"g-decision\"><h3>Identity &amp; Compendial Fit<\/h3><p>Confirm that the ingredient form and applicable analytical standard match the requirements of your formulation and quality program.<\/p><\/article>\r\n<article class=\"g-decision\"><h3>Specification &amp; Batch Evidence<\/h3><p>Review the specification together with the batch COA instead of relying on a headline purity claim alone.<\/p><\/article>\r\n<article class=\"g-decision\"><h3>Application Requirements<\/h3><p>Share the dosage form or food system early so technical questions can be assessed in the context of the actual finished product.<\/p><\/article>\r\n<article class=\"g-decision\"><h3>Commercial Requirements<\/h3><p>Quantity, destination and documentation needs should be defined before quotation so the supply discussion reflects the real project.<\/p><\/article>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n\r\n<section class=\"g-section g-section-soft\" aria-labelledby=\"vitc-bulk\">\r\n<div class=\"g-wrap\">\r\n<div class=\"g-section-head\">\r\n<p class=\"g-kicker\">Bulk Supply<\/p>\r\n<h2 id=\"vitc-bulk\">Bulk Vitamin C for Manufacturing<\/h2>\r\n<p>For bulk vitamin C purchasing, qualification involves more than the ingredient name. Gensei can review the commercial request alongside the documentation and application information needed for your project.<\/p>\r\n<\/div>\r\n<div class=\"g-supply-band\">\r\n<div><h3>Prepare a More Useful Sourcing Request<\/h3><p>Provide the information that affects the quotation and qualification process. This keeps the supply discussion focused without repeating technical data already covered in the specification table.<\/p><\/div>\r\n<ul class=\"g-checks\">\r\n<li>Required order quantity or expected purchasing range<\/li>\r\n<li>Delivery country or destination market<\/li>\r\n<li>Finished-product format and intended application<\/li>\r\n<li>Required quality, regulatory or documentation review<\/li>\r\n<\/ul>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n\r\n<section class=\"g-inquiry\" id=\"vitc-inquiry\" aria-labelledby=\"vitc-quote\">\r\n<div class=\"g-wrap g-inquiry-grid\">\r\n<div class=\"g-inquiry-copy\">\r\n<div class=\"g-inquiry-pill\">Vitamin C Ingredient Inquiry<\/div>\r\n<h2 id=\"vitc-quote\">Request a Quote for L-Ascorbic Acid Powder<\/h2>\r\n<p>Tell us what you are making and what your purchasing team needs to evaluate. We can use those details to make the follow-up more relevant to your project.<\/p>\r\n<div class=\"g-quote-guide\">\r\n<div class=\"g-quote-item\"><strong>Required Quantity<\/strong><span>Share the initial order size or expected purchasing range.<\/span><\/div>\r\n<div class=\"g-quote-item\"><strong>Destination Market<\/strong><span>Include the country or market where the finished product will be sold.<\/span><\/div>\r\n<div class=\"g-quote-item\"><strong>Finished-Product Format<\/strong><span>For example: capsule, tablet, drink mix, gummy, beverage or fortified food.<\/span><\/div>\r\n<div class=\"g-quote-item\"><strong>Qualification Requirements<\/strong><span>List any documentation or quality-review requirements important to approval.<\/span><\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"g-form-card\">\r\n<h3>Send Your Inquiry<\/h3>\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 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Gensei supplies vitamin C powder as L-ascorbic acid for dietary supplements, fortified 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