Supplements (89) for Glycine


Glycine is the simplest amino acid, serving as a building block for protein synthesis and the production of compounds like glutathione and creatine. It also acts as a neurotransmitter and supports sleep quality, collagen formation, metabolic health, and detoxification.

Good for
Anti-AgingHigh effectFundamental for producing both collagen and glutathione—the body's master antioxidant. Its proven ability to enhance sleep quality provides a powerful, indirect anti-aging effect via improved nightly repair.Anti-Inflammatory SupportHigh effectAn amino acid that directly inhibits pro-inflammatory cytokine production and protects cells from oxidative stress.Bone HealthHigh effectThe most abundant amino acid in collagen, essential for building the bone's protein matrix.DetoxificationHigh effectActs as a building block for glutathione and is used directly in a major Phase II detoxification pathway called glycination.Digestive HealthHigh effectA key amino acid for rebuilding the gut lining and reducing inflammation.General HealthHigh effectSupports sleep quality, calms the nervous system, and is a key building block for collagen and glutathione.Skin HealthHigh effectProvides the most abundant amino acid building block for collagen, supporting skin structure and repair.Sleep SupportHigh effectSmall studies suggest possible benefits for perceived sleep quality and next-day fatigue; the evidence is preliminary.Stress ReliefHigh effectAn inhibitory amino acid that promotes relaxation and is highly effective for improving sleep quality disrupted by stress.Mood SupportSituational effectAn inhibitory neurotransmitter that promotes calmness and improves sleep quality, which is fundamentally linked to mood regulation.
Across 90 Glycine products
Optimal dose1000 mg – 3000 mg
Price$29.22median
Price per serving$0.59median
Price per 100 mg$0.25median
Dose per serving250 mgmedian
Top forms Magnesium Glycinate 1
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66
Amino-NR, 180 Capsule(s) Pure Encapsulations
4.7
★ ★ ★ ★ ★
(16 ratings)
Glycine: 68 mg
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67
Complete Plant Collagen Builder Creamy Vanilla Bean, 11 Liquid(s) PlantFusion
4.3
★ ★ ★ ★ ★
(568 ratings)
Glycine: 100 mg
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65
Complete Plant Collagen Builder Natural - No Stevia, 10 Ounce(s) PlantFusion
4.0
★ ★ ★ ★ ★
(439 ratings)
Glycine: 100 mg
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64
RevitalX, 1 lb(s) Natural Factors
4.6
★ ★ ★ ★ ★
(77 ratings)
Glycine: 77 mg
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72
Prostate Supreme, 60 Capsule(s) Designs for Health
4.7
★ ★ ★ ★ ★
(12 ratings)
Glycine: 100 mg
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44
Vitastack Orange, 250 Gram(s) ALLMAX
4.5
★ ★ ★ ★ ★
(168 ratings)
Glycine: 50 mg
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59
Collagen Builder Rich Chocolate, 11 Liquid(s) PlantFusion
4.4
★ ★ ★ ★ ★
(50 ratings)
Glycine: 100 mg
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68
Pure Tranquility Liquid, 116 Milliliter(s) Pure Encapsulations
4.3
★ ★ ★ ★ ★
(17 ratings)
Glycine: 50 mg
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68
GI Sustain, 1 Pound(s) Metagenics
4.8
★ ★ ★ ★ ★
(13 ratings)
Glycine: 100 mg
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