Best Supplements for Blood Sugar & Metabolic Health
Nutrient-sensing (mTOR/AMPK) and insulin sensitivity sit upstream of metabolic aging. These compounds have human evidence for glucose, lipids, or insulin markers — several are potent enough to warrant physician oversight if you take glucose-lowering medication.
The top pick
The top-ranked pick here is Berberine HCl Tier A — AMPK Activation. Next best-evidenced: CoQ10 (Ubiquinol) and Omega-3 (EPA + DHA).
Ranked by strength of human evidence (Tier A > B > C) and mechanistic fit — computed from the compound registry, not hand-picked. Every entry links to its full evidence deep-dive with PubMed citations. Educational only, not medical advice.
- Berberine HClTier A
AMPK Activation
500mg berberine HCl TID with meals (or 100–200mg dihydroberberine)AM/PM3 PMIDs - CoQ10 (Ubiquinol)Tier B
Mitochondrial Electron Transport Chain
100–300mg ubiquinol daily (300mg if on statins)AM/PM3 PMIDs - Omega-3 (EPA + DHA)Tier A
Specialized Pro-resolving Mediators (SPMs)
2–4g combined EPA+DHA daily (with fat-containing meals)AM/PM3 PMIDs ATP-Mg²⁺ Cofactor Repletion
200–400mg/day elemental (glycinate for tolerance; L-threonate for cognitive use)PM3 PMIDsTRPV1 agonist with a 14% mortality signal in China Kadoorie and topical Tier A for neuropathic pain
2–6 mg/day (~50–150k SHU cayenne)AM/PM4 PMIDs- Creatine MonohydrateTier A
Phosphocreatine (PCr) / ATP Buffering
3–5g/day monohydrate (optional 20g/day loading, 5–7 days)AM/PM3 PMIDs
The aging mechanisms behind this goal
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What is the best supplement for blood sugar?
Berberine has head-to-head RCT data showing glucose and HbA1c reductions comparable to metformin. It is potent — if you take diabetes medication, combining them can drop blood sugar too far, so coordinate with your prescriber.