Question 1

What is the difference between GABA and Glycine?

Accepted Answer

GABA is classified as a Neurotransmitter (Amino acid, Gamma-amino acid) while Glycine is classified as a Inhibitory neurotransmitter, NMDA co-agonist, Sleep aid (Alpha-amino acid, Non-essential amino acid). They share 0 effects in common, with 11 effects unique to GABA and 2 unique to Glycine.

Question 2

Is it safe to combine GABA and Glycine?

Accepted Answer

There is no direct interaction data available for combining GABA and Glycine. This does not mean the combination is safe. Always exercise caution and research thoroughly.

Question 3

Which is stronger, GABA or Glycine?

Accepted Answer

At common doses via oral, GABA is typically dosed at 250–750 mg while Glycine is dosed at 3000–5000 mg. However, "stronger" depends on context — potency, subjective intensity, and duration all factor in. These substances have different pharmacological profiles and comparing raw potency is not straightforward.

	GABA	Glycine
Class	Neurotransmitter	Inhibitory neurotransmitter, NMDA co-agonist, Sleep aid
Common Dose (oral)	250–750 mg	3000–5000 mg
Total Duration	1.3–3.8 hrs	2.4–5.5 hrs
Routes	Oral	Oral
Effects	11 documented	2 documented

Level	GABA	Glycine
Threshold	60 mg	600 mg
Light	100–250 mg	1000–2000 mg
Common	250–750 mg	3000–5000 mg
Strong	750–1500 mg	5000–10000 mg
Heavy	3000 mg	15000 mg

GABAvsGlycine

At a Glance

Dosage

oral

Duration

oral

Oral

Oral

Effects

Unique to GABA11

Unique to Glycine2

Safety

Interaction: GABA + Glycine

GABA — Dangerous Interactions

Glycine — Dangerous Interactions

Frequently Asked Questions