NutriStack
CautionInsufficient evidence
What is happening. Both may affect glucose and blood pressure in susceptible users.
Mechanism. Potential additive metabolic and vascular effects.
Recommendation. Monitor glucose and dizziness if combining.
Supplement × Supplement·a caution·Insufficient evidence
Agmatine Sulfate + Berberine
Caution
Insufficient evidence
Both may affect glucose and blood pressure in susceptible users.
From the database
What the row says.
Every entry follows the same shape: what is happening, the mechanism, and the recommendation.
Substances
Pair type
Caution
Evidence
Insufficient
Source citations
1
Scope
Supplement × Supplement
Last verified
June 4, 2026
Stack Score
How it moves the number.
Effect on the composite score
If both Agmatine Sulfate and Berberine are in the same stack, this pair applies −5 to your Stack Score (per scored caution row).
The full algorithm, the clamping rules, and four worked stacks are at /methodology/stack-score.
Sources
Sources, by evidence tier.
Every claim on this page is cited. PMIDs link straight to PubMed.
Reference material
1- 1Keynan O et al. Agmatine radiculopathy trial. Pain Med. 2010.Needs sourceNo link
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