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Vitamins, Excipients & Other APIs

Vitamins, antioxidants, sweeteners, carotenoids, UV filters and functional excipients used alongside APIs in pharma, nutraceutical and cosmetic products.
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Not every active ingredient is a prescription drug. This sub-category gathers vitamins, nutraceutical actives, sweeteners and functional excipients that formulators buy alongside their main APIs. Listings include Ascorbic Acid, Alpha-Lipoic Acid, Beta-Carotene, Astaxanthin, the sweeteners Acesulfame and Aspartame, the UV filter Avobenzone and Beta-Cyclodextrin, used as a complexing excipient.

Grade selection depends on the market. The same ascorbic acid may be bought to a pharmacopoeia for tablets, to a food standard for beverages, or in coated form for better stability. Carotenoids are sensitive to oxygen and light and are often supplied as beadlets or oil suspensions rather than pure crystals. State the end product and its regulatory category on your enquiry.

Products ship in sealed, light-resistant packaging with the manufacturer's COA and an SDS. Pharmacopoeial (USP/EP/BP/IP) grade documentation is offered where the grade exists. Add several of these to the quote panel alongside your APIs for one combined offer.

Vitamins, Excipients & Other APIs: questions buyers ask

Why are carotenoids often supplied as beadlets?
Pure beta-carotene and astaxanthin oxidise quickly and are hard to disperse evenly. Beadlet and emulsion forms embed the carotenoid in a protective matrix with antioxidants, which improves stability and makes it easier to blend into tablets or drinks. Specify the active content you need, such as 10% or 20%.
Can sweeteners be supplied in food and pharma grades?
Yes. Acesulfame potassium and aspartame are made to food additive standards and to pharmacopoeial monographs. Pharmaceutical users usually need the pharmacopoeia grade with relevant documents, while beverage makers follow food regulations. Tell us your application so we quote the grade and documentation that match.
How does beta-cyclodextrin help in formulations?
Beta-cyclodextrin forms inclusion complexes with poorly soluble or unstable molecules, improving their solubility, stability or taste masking. It is used in tablets, oral liquids and some topical products. The ratio of drug to cyclodextrin and the complexation method both affect the result, so trials are normally needed.

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