Loading…
We use essential cookies (authentication, your saved goals/stack) by default. With your permission we’ll also enable privacy-respecting analytics (Vercel Web Analytics, anonymous load-time metrics) and error-replay diagnostics (Sentry — DOM snapshots only when an error fires) so we can fix bugs faster. Learn more about cookies
Head-to-head evidence comparison — which supplement is right for you?
Glutathione vs Pumpkin Seed Oil: Glutathione has the stronger overall evidence (4.8 vs 4.5/10); they're alternatives for improve skin health — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Glutathione wins 3 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Too few graded studies
Top outcomes
Verdict
Mostly mechanism / observational
Top outcomes
250-1000mg/day oral reduced L-glutathione (skin-lightening trials often used ~500mg); liposomal/sublingual forms aim to improve absorption
Between meals
Liposomal or sublingual glutathione (for absorption)
1000–2000 mg daily (oral capsule) or 3 g/day for cardiovascular benefit
With meals (lunch or dinner), Split dose morning and evening with food
Cold-pressed softgel capsule
and 1 more not shown
4-12 weeks
8-12 weeks
Throughout use
4-12 weeks
8-12 weeks
6 weeks
8-12 weeks
Randomized controlled trial of oral glutathione supplementation on body stores of glutathione.
European journal of nutrition (2015) · Rct · n=54
Increased glutathione in some body compartments over 6 months
Glutathione as a skin-lightening agent and in melasma: a systematic review.
International journal of dermatology (2025) · Systematic review
Skin-lightening and melasma improvement reported
The clinical effect of glutathione on skin color and other related skin conditions: A systematic review.
Journal of cosmetic dermatology (2019) · Systematic review
Reduced melanin/skin darkening in trials
Evaluation of the Safety and Effectiveness of Nutritional Supplements for Treating Hair Loss: A Systematic Review.
JAMA Dermatology (2023) · Systematic review
30 articles were included comprising 17 RCTs, 11 clinical studies, and 2 case series in individuals without known nutritional deficiency
Pumpkin seed oil (Cucurbita pepo) versus tamsulosin for benign prostatic hyperplasia symptom relief: a single-blind randomized clinical trial.
BMC Urology (2021) · Rct · n=73
Both tamsulosin and pumpkin seed oil (360 mg twice daily) produced significant decreases in IPSS and improvements in quality of life over 3 months
The effects of pumpkin seed oil supplementation on arterial hemodynamics, stiffness and cardiac autonomic function in postmenopausal women.
Complementary Therapies in Clinical Practice (2019) · Rct · n=23
Augmentation index (AIx), brachial and central systolic blood pressure significantly decreased following PSO (3 g/day for 6 weeks) but not placebo (P<0.05)
Glutathione has a higher evidence score (4.8/10 vs 4.5/10) and wins in 3 of 3 categories.
For improve skin health, Glutathione has a higher relevance score (62 vs 60).
No documented interaction was found in the data searched. This does not establish that this exact combination is safe.
Weight loss is the real treatment; vitamin E/omega-3 have some evidence, milk thistle modest, TUDCA thin.
The popular one (saw palmetto) mostly fails in rigorous trials; beta-sitosterol is the better bet.
The proven options (minoxidil, finasteride) vs adjuncts and weak naturals — tiered for pattern hair loss.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.