NutriStack
CautionEmerging evidence
What is happening. Both may lower blood pressure through vascular mechanisms.
Mechanism. Additive vasodilation and nitric-oxide-related effects.
Recommendation. Monitor dizziness and avoid if blood pressure runs low.
Supplement × Supplement·a caution·Emerging evidence
Citrulline Malate + Garlic Extract
Caution
Emerging evidence
Both may lower blood pressure through vascular mechanisms.
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
Emerging
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 Citrulline Malate and Garlic Extract 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- 1Trexler ET et al. Citrulline supplementation review. Sports Med. 2019.Needs sourceNo link
Check your full routine
One pair was the worked example.
Drop your supplements and prescriptions into NutriStack and it runs every pair at once: every interaction, synergy, timing rule, and contraindication, each linked to its primary source.