Metformin vs NR for longevity
Short answer: For longevity, users rate them about the same: 100% report improvement with Metformin (11 reports) and 100% with NR (9 reports).
Metformin has 1,367 meta-analyses and 3,450 randomized trials on PubMed; the other has not been graded.
Based on 175 reports about Metformin and 140 about NR. Not medical advice.
| Metformin Medication | NR Supplement | |
|---|---|---|
| Users say it helped | 29%helped67 reports · medium confidence | 56%helped35 reports · medium confidence |
| Verdict | Mixed | Mixed |
| Research | AResearch: Strong | Not graded |
| Meta-analyses / RCTs | 1,367 / 3,450 | — |
| Mainly used for | ||
| Blood sugar % reporting improvement | 96% (27) | — |
| Energy % reporting improvement | 40% (10) | 100% (15) |
| Longevity % reporting improvement | 100% (11) | 100% (9) |
| Performance % reporting improvement | 0% (15) | — |
| Weight loss % reporting improvement | 90% (10) | — |
| Common side effects | stomach issues, diarrhea, b12 depletion, nausea | brain fog |
| Typical dose reported | Not listed | 250 mg / daily |
MetforminFull Metformin profile →
Latest review conclusion
The choice of metformin or COCP treatment should be based on symptoms, noting some biochemical benefits from combination treatment targeting both major endocrine disturbances seen in PCOS (hyperinsulinemia and hyperandrogenism).
J Clin Endocrinol Metab, 2024 ↗What a user said
“Metformin currently has enough data for me personally to feel comfortable not only taking it myself (and my wife), but also recommending it to my patients.”
NRFull NR profile →
What a user said
“I have noticed a huge improvement with those for symptoms and conditions similar to yours.”
Related comparisons
Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate