While collagen itself is not harmful, breastfeeding parents should prioritize high-quality, well-tested products
Who should consider glutathione support
GHK-Cu vs Adjacent Categories Format Topical GHK-Cu (cosmetic) What it is Copper Tripeptide-1 in serums and creams Evidence base Strongest human evidence (Leyden 2002, NEEL 2023) Typical use Daily anti-aging skincare Format Injectable GHK-Cu (research-use) What it is Reconstituted vial, SubQ injection Evidence base Mostly preclinical
Esther Bodde, MD Last updated: March 2026 Advanced Daily Scalp Therapy for Stronger, Healthier Hair Designed for hair loss and weak, thinning hair Clinically Proven Ingredients Lightweight, non-greasy for easy daily use The Hairgenetix Copper Peptide Serum is a powerful daily scalp treatment designed to stimulate hair follicles, reduce shedding, and support long-term hair health [2]
Adaptogens like Rhodiola , Ashwagandha , or amino acids like L-theanine are taken to combat stress and anxiety, with the idea that a calmer, less fatigued mind will perform better cognitively
Krupenko, S