Methionine is a sulfur-containing amino acid that improves skin elasticity and strengthens hair and nails (PubChem, 2020)
Deeper concerns like pigmentation and fine lines take eight to twelve weeks of consistent use to show significant change
Each batch is produced in a U.S.-based facility and tested by third-party laboratories for purity and identity
doi:10.3389/fendo.2025.1568438
For instance, in one review, researchers looked at 22 studies and concluded that creatine supplementation led to an average strength increase eight percent greater when compared to placebo
Ayman AH, Anas AO, Yasser AA, Masad AM, Abdullah AS, Mazen A, et al