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Smoking status: not checked. Vitamin A: what these mean for you changes depending on whether you smoke or used to, and you have not told us. That check was skipped.
Evidence-based supplements similar to Glutathione, ranked by shared goals and clinical evidence. Compare any of them head-to-head below.
Type I collagen peptides from fish, tested in small placebo-controlled trials for skin hydration, elasticity and wrinkles, several of them on multi-ingredient products.
Holds 1,000x its weight in water. Most strong evidence is for injectable/intra-articular HA in knee osteoarthritis; oral supplementation shows small, inconsistent benefits for skin and joints.
The amide form of vitamin B3 and a NAD+ precursor. Unlike the NAD+-longevity story, its strongest evidence is dermatologic: a Phase-3 RCT showed it cuts new non-melanoma skin cancers and actinic keratoses in high-risk patients, and it has long been used for acne. The NAD+/anti-aging rationale is real but unproven in humans.
A phytosterol-rich cold-pressed oil studied for prostate, hair, and cardiovascular support. The honest verdict: small RCTs show modest BPH, hair, and blood-pressure benefits — but the trials are few and tiny, and it underperforms standard drugs like tamsulosin for BPH.
This information is for educational purposes only. It is not a substitute for professional medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any supplement or medication.