Ingredient Reference

A reference for ingredients themselves. To find companies that sell ingredients, see the ingredient suppliers directory.

Last reviewed: October 15, 2026

Answer

9 ingredient-form pages list what to put on a spec sheet, how the ingredient is declared on the Supplement Facts label, and the quality checks to ask for, each with its source. Branded ingredients are trademarked raw materials: you buy the material and license the name. For the 18 branded ingredients, this reference tracks who owns each mark, how access works, and whether supply is open to new customers; a supply status appears only with dates and sources. 18 of the branded pages also list spec-sheet parameters and QC checks.

Ingredient forms

Open-market forms, with no owner or license. Each page covers spec-sheet parameters, label declaration, and quality checks.

Ingredient-form reference pages with ingredient class and compound
Ingredient form	Class	Compound
Creatine monohydrate (generic)	Creatine	creatine monohydrate
Magnesium bisglycinate chelate	Magnesium	magnesium bound to two glycine molecules, C4H8MgN2O4
Vitamin D3 (cholecalciferol)	Vitamin D	cholecalciferol, C27H44O
Fish oil omega-3 concentrates	Omega 3	EPA and DHA from fish oil, as natural triglycerides, ethyl esters or re-esterified triglycerides
Vitamin K2 (menaquinone-7, MK-7)	Vitamin K	menaquinone-7, C46H64O2
Krill oil	Omega 3	lipid extract of Antarctic krill (Euphausia superba), with EPA and DHA mainly as phospholipids
Algal oil (DHA)	Omega 3	oil from microalgae such as Schizochytrium, carrying DHA and, in some strains, EPA
Probiotic strains	Probiotics	live microorganisms identified to strain level: genus, species, subspecies where one applies, and strain designation
Collagen peptides (hydrolyzed collagen)	Collagen	hydrolyzed collagen, average molecular weight about 4 kDa (2-6 kDa)

How to evaluate a branded ingredient

The evaluation criteria matter more than any brand name. Before paying a premium over the generic form, check:

Specification. What does the spec sheet guarantee that the generic form does not? Ask for the technical data sheet and compare limits, not marketing pages.
Testing and seal verification. Does the owner run a verification program (lot codes, seal lookups)? Can you check a finished product against it?
Traceability. Where is it made, and can the owner document the site? Single-site ingredients concentrate supply risk.
Licensing terms. What does the trademark license require: minimum dose, label wording, logo rules, volume commitments?
Supply security. Is the owner accepting new customers, and what happens to your product line if allocation tightens? That is what the board below tracks.

For the full decision framework, read Branded vs Generic Ingredients: How to Decide.

Availability board

A published status is dated and sourced on its entity page. Default is Unknown: we publish a status only when we have dated evidence. For the quarterly report on creatine supply, see the availability snapshot.

Branded supplement ingredients with owner, access model, and dated availability status
Ingredient	Class	Owner	Access	Availability
Creapure®	Creatine	Alzchem Trostberg GmbH	Licensed program	Unknown
Creavitalis®	Creatine	Alzchem Group AG	Licensed program	Unknown
Con-Cret®	Creatine	Vireo Systems, Inc.	Licensed program	Unknown
Kre-Alkalyn®	Creatine	All American Pharmaceutical & Natural Foods Corporation	Licensed program	Unknown
CarnoSyn®	Beta Alanine	Natural Alternatives International, Inc.	Licensed program	Unknown
KSM-66	Ashwagandha	Ixoreal Biomed	Licensed program	Unknown
Shoden®	Ashwagandha	Arjuna Natural	Licensed program	Unknown
Capsimax	Capsicum Extract	OmniActive Health Technologies	Licensed program	Unknown
Lutemax 2020	Lutein	OmniActive Health Technologies	Licensed program	Unknown
Cognizin®	Citicoline	Kyowa Hakko U.S.A., Inc.	Licensed program	Unknown
Nitrosigine®	Arginine Silicate	Nutrition21, LLC	Licensed program	Unknown
Wellmune®	Beta Glucan	Kerry Group	Licensed program	Unknown
Quatrefolic®	Folate	Gnosis by Lesaffre	Licensed program	Unknown
Pycnogenol	Pine Bark Extract	Horphag Research	Licensed program	Unknown
Meriva®	Curcumin	Indena S.p.A.	Licensed program	Unknown
Curcumin C3 Complex®	Curcumin	Sabinsa Corporation	Licensed program	Unknown
AstraGin®	Astragalus Notoginseng Extract	NuLiv Science	Licensed program	Unknown
Albion	Chelated Minerals	Balchem Corporation	Licensed program	Unknown

What this page does not tell you

Whether a licensing program will accept your specific application. Owners decide that; we track reported status.
Pricing, minimum volumes, contract terms, or real-time stock. Terms come from the owner or its distributors; statuses are dated snapshots, not live inventory.
Anything about ingredient efficacy. This is an identity and sourcing reference; we do not publish efficacy claims.

All trademarks are the property of their respective owners. Inventory Ready is independent. It is not affiliated with, licensed by, or endorsed by any ingredient owner listed here. Word marks are referenced under nominative fair use; logos and quality seals are never reproduced.

Represent an ingredient owner, or see something out of date? Request a correction.