NutriStack
GABA and Magnesium Glycinate, a synergy.
Magnesium glycinate complements oral GABA by supporting GABAergic tone, contributing to a calmer state and easier sleep onset.
One pair, every claim cited. The two substances, the type, the mechanism, the recommendation, and the primary literature.
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At a glance
- Substances
- GABA and Magnesium Glycinate
- Pair type
- Synergy
- Evidence (highest tier)
- Moderate
- Source citations
- 2 sources
- Stack Score effect
- +2 to your Stack Score (per scored synergy row).
- Scope
- Supplement × Supplement
- Last verified
- May 30, 2026
Synergy · Moderate evidence
Synergy
What is happening. Magnesium glycinate complements oral GABA by supporting GABAergic tone, contributing to a calmer state and easier sleep onset.
Mechanism. Magnesium acts as a positive allosteric modulator at the GABA-A receptor and blocks the NMDA receptor, dampening excitatory signaling, while the glycine carrier is itself a mild inhibitory co-agonist, so both reinforce the inhibitory effect targeted by supplemental GABA.
Recommendation. Can be taken together in the evening (for example magnesium glycinate providing 200 to 400mg elemental magnesium plus GABA 100 to 200mg). Watch for additive drowsiness.
Sources (2)
- Boyle NB, Lawton C, Dye L. The effects of magnesium supplementation on subjective anxiety and stress. Nutrients. 2017
- Poleszak E. Modulation of antidepressant-like activity of magnesium by the GABAergic system. Journal of Physiology and Pharmacology. 2008
Stack Score
How this pair moves the number.
Effect on the composite score
If both GABA and Magnesium Glycinate are in the same stack, this pair applies +2 to your Stack Score (per scored synergy row).
The full algorithm, the clamping rules, and four worked stacks are documented at /methodology/stack-score.
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