Glycine
glycine
Found in 8 products 3 forms available Trending for: circadian rhythm, collagen synthesis, bone density
Deepen your research
Handpicked articles that pair with this ingredient
Supplement Guide Promising evidence
Glycine
You stir a cup of broth, that familiar comfort from kitchens around the world. Hidden in its silkiness is glycine—the simplest amino acid—once called "sugar of...
Best For Promising evidence
Best for Sleep
Saffron extract: 20–30 mg nightly (2–4 weeks). [^14][^16]
Synergy Promising evidence
NAC + Glycine (GlyNAC): Rebuilding Glutathione Together
Promising dual-precursor combo that raises/normalizes glutathione and improves multiple markers in certain human trials—but true synergy (A+B vs A or B) isn't...
Understanding Glycine
Research-backed benefits
→Supports better sleep quality and sleep onset
→Supports collagen synthesis for joint and bone health
→Provides antioxidant support through glutathione precursor activity
Dosage Guide
60mg
Low
135mg
Standard
478.25mg
Therapeutic
• Most products contain 60-135mg
• Therapeutic dose: 135-478.25mg
Forms & Absorption
L-Glycine
Standard form
563 products
Glycine; Powder
Standard form
8 products
L-Glycyl
Standard form
1 products
Timing & Usage
Based on analyzing 3,133 products with Glycine
Best taken:Empty stomach
With food:11% recommend empty stomach, 9% with food
Spacing:<1% show interactions
Works Well With
Top Products
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