Resources
Straight answers, with the citation.
Short guides to the questions formulators, buyers and QA managers ask us most, written to be checked against the regulation or monograph they cite.
Riboflavin vs. Riboflavin 5′-Phosphate Sodium: Which Vitamin B2 to Use
Both supply vitamin B2. Riboflavin suits dry products; riboflavin 5′-phosphate sodium dissolves in water and suits liquids. How they differ in solubility, assay, dosing and regulation.
Read Vitamin B2Riboflavin Grades Explained: USP, FCC and 80% Feed Grade
USP and FCC riboflavin is a high-assay crystalline powder for food and supplements. Feed grade is an 80% spray-dried granule for premixes. What each grade means and which to specify.
Read L-TheanineL-Theanine: Production Routes and What GRAS Status Really Covers
L-Theanine is made by enzymatic conversion, chemical synthesis or fermentation. FDA GRAS notices apply to a specific producer's process, so GRAS status depends on who made the material.
Read QualityHow to Read a Certificate of Analysis for a Raw Ingredient
A certificate of analysis should tie one lot to one manufacturer and show a measured result, a limit and a method for every test. What to check, line by line, and the warning signs.
Read QualityHow U.S. Manufacturers Qualify a Foreign Ingredient Supplier
U.S. buyers qualify the ingredient together with the site that made it. The documents, testing and import roles involved, from 21 CFR 111 to the Foreign Supplier Verification Program.
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