Supplement Label Index / 21st Century

Daily Amino Acid

21st Century · Tablet or Pill · On market

Matched compounds

CompoundFormTierAmount
Calcium unspecified Unrated 150 mg
L-Lysine L-Lysine Hydrochloride Unrated 93 mg
L-Tyrosine L-Tyrosine (free-form amino acid) Tier 1 31 mg

How these doses compare

Per serving as declared; serving sizes and daily directions differ between products.

Excipients

Label statements

View original label on DSLD → · Add to the Stack Checker

Label facts as declared by the manufacturer to the NIH Dietary Supplement Label Database (DSLD), not independently lab-tested. This page reports what the label says; it does not rate, score, or recommend this product.