Argalys — Zinc Bisglycinate · Vit C, B6, Selenium & Methionine

Argalys' zinc bisglycinate + methionine formula is one of the most coherent in the "hair, skin, and nails beauty" segment for supplementation. It combines two active ingredients with complementary mechanisms on keratin: zinc (a co-factor for many enzymes involved in protein synthesis and cell division) and L-methionine (a sulfur-containing amino acid, a direct precursor of keratin cysteine). Zinc bisglycinate offers documented bioavailability superior to zinc sulfate and oxide. Chelation with two glycine molecules protects zinc from dietary inhibitors (phytates, tannins) and allows its absorption via amino acid transporters – a real advantage for individuals whose diets are rich in whole grains or tea/coffee. L-methionine (30 mg, biologically active L-form) is a precursor to cysteine, which, along with methionine, forms the sulfur-containing fraction of keratin's disulfide bonds – a structure responsible for the mechanical strength of hair and nails. Methionine also participates in the SAM cycle (S-adenosylmethionine), a universal methyl group donor involved in DNA methylation. At 30 mg per capsule, the dose is modest and without documented risk. The usual precaution applies: for individuals with confirmed hyperhomocysteinemia, any additional methionine intake should be subject to medical advice. This product is not recommended for children under 15 years old, according to the manufacturer – which is notable compared to other zinc supplements on the market. This age restriction should be respected.