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?
NAC vs Stinging Nettle Root: NAC has the stronger overall evidence (6 vs 5.5/10); they're alternatives for healthy aging — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
NAC wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
7 of 8 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
7 of 7 studies with measurable effects showed benefit.
Top outcomes
600-1800mg daily
Away from food, Split into 2-3 doses
NAC capsules or powder
300-600mg root extract
With meals, Split into 2-3 doses
Standardized root extract
and 1 more not shown
4-8 weeks
2-4 weeks
1-2 weeks
Immediate
4-8 weeks
4-8 weeks
Efficacy of N-Acetylcysteine in Polycystic Ovary Syndrome: Systematic Review and Meta-Analysis
Nutrients (2025) · Meta analysis · n=2515
NAC was associated with a statistically significant increase in progesterone (SMD 0.95, 95% CI: 0.13-1.77, p = 0.02) and endometrial thickness (SMD 0.58, 95% CI: 0.10-1.06, p = 0.02) compared to the placebo and other drugs (SMD 0.71, 95% CI: 0.48-0.94, p < 0.0001).
Efficacy of N-acetylcysteine for patients with depression: An updated systematic review and meta-analysis
General hospital psychiatry (2024) · Meta analysis · n=904
Our findings indicate that adjunctive NAC can ameliorate depressive symptoms in patients with psychiatric problems, particularly bipolar disorder.
N-acetylcysteine as a treatment for substance use cravings: A meta-analysis
Addiction biology (2024) · Meta analysis · n=623
The most targeted substance in the clinical trials was alcohol (3/9; 33.3%), followed by tobacco (2/9; 22.2%) and multiple substances (2/9; 22.2%).
The effect of nettle (Urtica dioica) supplementation on the glycemic control of patients with type 2 diabetes mellitus: A systematic review and meta-analysis
Phytotherapy research : PTR (2020) · Meta analysis · n=401
⚠️ NOT THE ROOT INDICATION. This entry is Urtica dioica ROOT, whose evidence base is BPH and lower urinary tract symptoms; this study is about glycemic control in type 2 diabetes. The abstract does not state which part of the plant was used. Read it as species-level context, not as root evidence.
Dietary Plants for the Prevention and Management of Kidney Stones: Preclinical and Clinical Evidence and Molecular Mechanisms
International journal of molecular sciences (2018) · Review
⚠️ NOT THE ROOT INDICATION. This entry is Urtica dioica ROOT, whose evidence base is BPH and lower urinary tract symptoms; this study is about kidney-stone prevention. The paper describes a LEAF/aerial preparation. Read it as species-level context, not as root evidence.
Plant food supplements with anti-inflammatory properties: a systematic review (II)
Critical reviews in food science and nutrition (2013) · Systematic review
⚠️ NOT THE ROOT INDICATION. This entry is Urtica dioica ROOT, whose evidence base is BPH and lower urinary tract symptoms; this study is about anti-inflammatory effects. The abstract does not state which part of the plant was used. Read it as species-level context, not as root evidence.
Meta-analysis showed efficacy particularly in bipolar disorder patients. Effect appears as adjunctive treatment. Individual response varies significantly.
Based on multiple RCTs showing IPSS improvements in BPH patients. Most studies used combination formulations with saw palmetto. Effect magnitude conservative due to mixed study designs and combination treatments.
AI-estimated from published studies. Interpret as directional guidance.
NAC has a higher evidence score (6/10 vs 5.5/10) and wins in 2 of 3 categories.
For healthy aging, Stinging Nettle Root has a higher relevance score (80 vs 65).
No known interactions between NAC and Stinging Nettle Root have been documented in our database. However, always consult a healthcare provider before combining supplements.
Weight loss is the real treatment; vitamin E/omega-3 have some evidence, milk thistle modest, TUDCA thin.
Folate is essential; inositol + CoQ10 are the best bets — but conception evidence is limited.
Inositol (40:1), and the supporting cast for insulin resistance, cycles & fertility.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.