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Head-to-head evidence comparison — which supplement is right for you?
Pterostilbene and Reishi are closely matched across evidence, studies, and safety.
Verdict
Mostly mechanism / observational
1 of 1 studies with measurable effects showed benefit.
Top outcomes
Verdict
Mixed evidence
2 of 6 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Pterostilbene and Reishi have evidence — compare verdict strength side-by-side.
50-100mg daily
Morning with breakfast, Can be divided into two doses
Pterostilbene capsules
1-3g dried mushroom or 500-1500mg extract
Evening (for sleep), With or without food
Dual-extract (water + alcohol) capsules or powder
4-8 weeks
6-12 weeks
4-8 weeks
Weeks
4-8 weeks
2-4 weeks
4-8 weeks
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.
Identifying immunostimulatory herbal supplements that may flare autoimmune skin diseases: a systematic scoping review
Lupus science & medicine (2025) · Systematic review · n=469
We identified 227 herbal supplements with immunostimulatory properties, of which 15 were most strongly supported by the evidence.
Ganoderma lucidum (Reishi) an edible mushroom; a comprehensive and critical review of its nutritional, cosmeceutical, mycochemical, pharmacological, clinical, and toxicological properties
Phytotherapy research : PTR (2021) · Systematic review
In particular, quality clinical data are intensely needed to support pharmacological activities for human use.
Use of Ganoderma lucidum (Ganodermataceae, Basidiomycota) as Radioprotector
Nutrients (2020) · Meta analysis
From a total number of 1109 records identified, 15 full text articles were eligible, none of them were clinical trials.
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.
Based on systematic reviews identifying immunostimulatory properties. Meta-analysis for cancer adjuvant therapy showed positive immune response (RR 1.50). Quality clinical data still needed. Effect varies significantly by extract type and standardization.
AI-estimated from published studies. Interpret as directional guidance.
Both Pterostilbene and Reishi are closely matched — the best choice depends on your specific health goals.
For healthy aging, Pterostilbene has a higher relevance score (75 vs 55).
No known interactions between Pterostilbene and Reishi have been documented in our database. However, always consult a healthcare provider before combining supplements.