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Head-to-head evidence comparison — which supplement is right for you?
Pregnenolone wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
6 of 7 studies with measurable effects showed benefit.
Top outcomes
Verdict
Mostly mechanism / observational
1 of 1 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Pregnenolone and Pterostilbene have evidence — compare verdict strength side-by-side.
5-50mg daily
Morning (mimics natural production), With or without food
Micronized pregnenolone capsules
50-100mg daily
Morning with breakfast, Can be divided into two doses
Pterostilbene capsules
2-4 weeks
2-4 weeks
2-4 weeks
Variable
4-8 weeks
6-12 weeks
4-8 weeks
Weeks
Adjunctive use of anti-inflammatory drugs for schizophrenia: A meta-analytic investigation of randomized controlled trials
The Australian and New Zealand journal of psychiatry (2019) · Meta analysis · n=2914
The comparative evaluation of efficacy and safety supported the use of anti-inflammatory adjuvant therapy over the use of antipsychotics alone.
Sex hormones and oxytocin augmentation strategies in schizophrenia: A quantitative review
Schizophrenia research (2015) · Meta analysis · n=1149
Significant effects were found for estrogen action (k=10), regarding total symptoms (Hedges' g=0.63, p=0.001), positive (Hedges' g=0.42, p<0.001), and negative symptoms (Hedges' g=0.35, p=0.001).
Advancements in Non-Dopaminergic Treatments for Schizophrenia: A Systematic Review of Pipeline Developments
Pharmacopsychiatry (2024) · Systematic review
Systematic review examining Pregnenolone efficacy
Resveratrol and Its Analogues: Anti-ageing Effects and Underlying Mechanisms
Sub-cellular biochemistry (2024) · Systematic review
The anti-ageing mechanisms of resveratrol and its analogues are complex and multifactorial, involving suppressing oxidative stress, ameliorating inflammation, activating SIRT1 pathway, reducing DNA damage, etc.
Antiobesity pathways of pterostilbene and resveratrol: a comprehensive insight
Critical reviews in food science and nutrition (2024) · Systematic review
Stilbenes are products of the plant phenylpropanoid pathway.
Dietary Supplementation With NAD+-Boosting Compounds in Humans: Current Knowledge and Future Directions
The journals of gerontology. Series A, Biological sciences and medical sciences (2023) · Systematic review
Limitations are identified and future research directions are suggested to further our understanding of the potential efficacy of NAD+-boosting compounds for improving physiological function and extending human health span.© The Author(s) 2023.
Based on RCT with n=111 NAFLD patients showing reduced hepatic inflammation markers and ceramide 14:0 levels. Conservative estimate given single study and disease-specific population.
AI-estimated from published studies. Interpret as directional guidance.
Pregnenolone has a higher evidence score (8.5/10 vs 7/10) and wins in 2 of 3 categories.
For healthy aging, Pterostilbene has a higher relevance score (75 vs 55).
No known interactions between Pregnenolone and Pterostilbene have been documented in our database. However, always consult a healthcare provider before combining supplements.