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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73
Glycine 500 mg, 250 Capsule(s) Metabolic Maintenance
4.8
★ ★ ★ ★ ★
(160 ratings)
Glycine: 500 mg
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81
DGL, 100 Tablet(s) Nature's Way
4.5
★ ★ ★ ★ ★
(2370 ratings)
Glycine: 150 mg
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68
+1
GABA Relaxer, 90 Tablet(s) Country Life
4.7
★ ★ ★ ★ ★
(797 ratings)
Glycine: 400 mg
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76
GABA Calm, 120 Liquid(s) Source Naturals Serene Science
4.4
★ ★ ★ ★ ★
(3644 ratings)
Glycine: 50 mg
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66
+3
Amino:Cuts Amino-Charged Energy Drink Orange, 210 Gram(s) ALLMAX
4.3
★ ★ ★ ★ ★
(1746 ratings)
Glycine: 345 mg
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74
5-HTP 100 mg, 60 Capsule(s) Metabolic Maintenance
4.7
★ ★ ★ ★ ★
(127 ratings)
Glycine: 440 mg
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63
Prostabs Plus, 90 Tablet(s) Futurebiotics
4.7
★ ★ ★ ★ ★
(565 ratings)
Glycine: 173 mg
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72
+5
Training Ground PRE Blueberry, 17 Liquid(s) EFX Sports
4.7
★ ★ ★ ★ ★
(23 ratings)
Glycine: 2000 mg
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66
+2
Amino:Cuts Amino-Charged Energy Drink Blue Raspberry, 210 Gram(s) ALLMAX
4.3
★ ★ ★ ★ ★
(2190 ratings)
Glycine: 345 mg
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80
DGL Licorice Flavored, 100 Tablet(s) Nature's Way
4.5
★ ★ ★ ★ ★
(2786 ratings)
Glycine: 150 mg
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77
NightRest with Melatonin, 100 Tablet(s) Source Naturals
4.8
★ ★ ★ ★ ★
(25 ratings)
Glycine: 250 mg
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72
+5
Training Ground PRE Orange Mango, 17 Liquid(s) EFX Sports
4.6
★ ★ ★ ★ ★
(17 ratings)
Glycine: 2000 mg
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80
L-Theanine 100 mg, 60 Capsule(s) Metabolic Maintenance
4.8
★ ★ ★ ★ ★
(86 ratings)
Glycine: 300 mg
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66
+3
Amino:Cuts Amino-Charged Energy Drink Pink Lemonade, 210 Gram(s) ALLMAX
4.4
★ ★ ★ ★ ★
(841 ratings)
Glycine: 345 mg
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83
DGL Ultra, 90 Capsule(s) Nature's Way
4.5
★ ★ ★ ★ ★
(2470 ratings)
Glycine: 50 mg
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68
The Prostate Formula, 90 Tablet(s) Real Health
4.7
★ ★ ★ ★ ★
(1710 ratings)
Glycine: 250 mg
Image
66
+3
Amino:Cuts Amino-Charged Energy Drink Pina Colada, 210 Gram(s) ALLMAX
4.5
★ ★ ★ ★ ★
(690 ratings)
Glycine: 345 mg
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76
GABA Calm Orange Flavor, 120 Liquid(s) Source Naturals Serene Science
4.5
★ ★ ★ ★ ★
(3158 ratings)
Glycine: 50 mg
Image
66
+2
Amino:Cuts Amino-Charged Energy Drink Goji Berry, 210 Gram(s) ALLMAX
4.5
★ ★ ★ ★ ★
(593 ratings)
Glycine: 345 mg
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65
+1
Amino: Cuts Amino-Charged Energy Drink Grape, 210 Gram(s) ALLMAX
4.3
★ ★ ★ ★ ★
(586 ratings)
Glycine: 345 mg
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