Skip to content
S
SuppUp
Moderate Evidence😴

Best Glycine for Sleep in Australia

Simplest amino acid with wide-ranging benefits for sleep, collagen synthesis, and cognitive function. Excellent safety profile even at high doses. Compare prices across Australian retailers and find the best value.

Quick Summary

Dosage

3 g/day

Time to Effect

1-2 weeks

From

$0.06/serve

Evidence

moderate (4/5)

Timing: Take 3g approximately 1 hour before bed. Can dissolve in water (slightly sweet taste).

Clinical Evidence

The Sleep-Promoting and Hypothermic Effects of Glycine are Mediated by NMDA Receptors in the Suprachiasmatic Nucleus

PMID: 25533534
RCT20150

Glycine 3g before bed improved subjective sleep quality, reduced sleep latency, and decreased daytime sleepiness. Mechanism involves lowering core body temperature via peripheral vasodilation.

Glycine ingestion improves subjective sleep quality in human volunteers

PMID: 17041070
RCT2006n=11

Subjects taking 3g glycine before bed reported significantly improved sleep satisfaction, reduced daytime drowsiness, and improved cognitive function next day.

Best Prices in Australia

BulkSupplements Glycine Powder

BulkSupplementsviaBulkSupplements

3g per serve · 333 serves · Powder

$0.06/serve

$18.90 total

Buy
2

Thorne Glycine

ThorneviaThorne

500mg per serve · 250 serves · Capsule

$0.11/serve

$28.00 total

Buy
3

Life Extension Glycine 1000mg

Life ExtensionviaLife Extension

1000mg per serve · 100 serves · Capsule

$0.12/serve

$12.00 total

Buy
4

NOW Glycine 1000mg

NOW FoodsviaiHerb

1000mg per serve · 100 serves · Capsule

$0.13/serve

$12.90 total

Buy
5

Source Naturals Glycine Powder

Source NaturalsviaAmazon AU

3g per serve · 160 serves · Powder

$0.14/serve

$22.50 total

Buy

Get a Full Sleep Stack

Glycine is just one piece. Our AI builds a complete supplement stack tailored to your sleep goals, with dosages and prices.

Get My Sleep Stack

This information is for educational purposes only and is not medical advice. Consult a healthcare professional before starting any supplement regimen. SuppUp earns affiliate commissions from qualifying purchases — this does not affect our recommendations.