Product Image

Glycine 500 mg

Solgar
4.8
★ ★ ★ ★ ★
(2875 ratings)
Glycine 500 mg
Product Image
Score96

A simple and clean glycine capsule that provides flexible support for relaxation and metabolic health.

How scoring works
Quantity:100 Capsule(s) • (100 servings)
Goals:

Score 96

A simple and clean glycine capsule that provides flexible support for relaxation and metabolic health.

How scoring works
$10.42($0.10 per serving)
Daily Vita
$ 11.02
iHerb
$ 10.42
Amazon
$ 14.45
Vitacost
$ 11.03
Pure Formulas
$ 11.02
Report prices

Analysis

Glycine is an inhibitory neurotransmitter that can contribute to a sense of calm and support healthy sleep architecture. This Solgar product provides a reliable 500 mg dose in a pure capsule that avoids unnecessary fillers or complex blends.

Because it is a single-ingredient supplement, it is easy to incorporate into a broader routine or use for precise dosing. It fits well for individuals seeking to support their natural relaxation pathways with a trusted, straightforward amino acid.

Pros

  • Pure single-ingredient formula
  • Easy-to-swallow capsules
  • No unnecessary additives
  • High value for the price

Cons

  • Dose may be low for intensive needs
  • Capsule format isn't as customizable as powder
  • May require multiple pills per day

Warnings

  • May cause mild drowsiness
  • Take away from high-protein meals
  • Monitor for personal tolerance

Nutrient quality

90 Highest impact

Free-form glycine ensures rapid absorption and direct utilization by the body. The moderate dosage is suitable for baseline support or as part of a larger amino acid regimen.

Ingredient transparency

99 Highest impact

Labeling is exceptionally clear, providing exact amounts of the active amino acid without proprietary blends. Usage instructions and ingredient naming are straightforward and clinically sound.

Customer satisfaction

96 Highest impact

Consistently high ratings from a large review pool indicate a high level of trust and effectiveness. Users frequently report satisfaction with the purity and reliability of this formulation.

Value for money

97 Highest impact

Excellent cost-effectiveness is achieved through high-volume production and clean ingredient sourcing. The price per serving is among the lowest in the category for a trusted brand.

Report analysis

Ingredients

IngredientAmount per serving
Glycine
500 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Sugar Free Vegetarian
Report overview
Glycine · 500 mg OverallScore66
B- Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyC Value
This single-ingredient supplement offers a clean and reliable source of glycine in an easy-to-use capsule. It is a solid choice for those starting with amino acid supplementation or requiring moderate doses.
View ingredientView products
94 Value

5-HTP 100 mg

Metabolic Maintenance
4.7
★★★★★
(122 ratings)
Pairing a meaningful 440 mg dose of glycine with 5-HTP and essential vitamins B6 and C supports emotional balance and relaxation. This synergistic blend addresses neurotransmitter health from multiple angles in a single capsule.
Other sellers (0)
95 Value

Double Strength 5-HTP 200 mg

NOW
4.8
★★★★★
(16873 ratings)
Integrating glycine with taurine, inositol, and niacinamide provides a broader range of nutrients for neurological calm and sleep support. The 120-count bottle ensures a long-term supply for consistent daily supplementation.
Other sellers (4)
90 Value

DGL Ultra

Nature's Way
4.5
★★★★★
(2396 ratings)
Utilizing GutGard deglycyrrhizinated licorice extract alongside glycine focuses on upper GI comfort and mucosal health. The capsule delivery avoids the taste issues associated with chewable herbal tablets while providing effective digestive aid.
Other sellers (3)
97 Performance

Glycine 1000 mg

Life Extension
4.8
★★★★★
(14616 ratings)
Doubling the glycine content to 1,000 mg per capsule provides a more therapeutic dose for supporting detoxification and anti-inflammatory pathways. The high-potency format allows for more efficient intake without the need for multiple pills.
Other sellers (3)
97 Performance

Glycine Powder

Metabolic Maintenance
4.8
★★★★★
(227 ratings)
Pure powder format offers maximum flexibility for customized dosing, which can be beneficial for individuals requiring higher amounts. The clean-label approach removes all excipients and fillers for a more direct amino acid source.
Other sellers (1)
95 Performance

Advanced Magnesium Complex

AOR Advanced Orthomolecular Research Advanced
4.8
★★★★★
(650 ratings)
Supplying a significant 1,440 mg dose of glycine alongside bioavailable magnesium glycinate and ascorbate creates a powerful synergy for systemic health. The addition of vitamin C and multiple mineral forms supports glutathione production and muscle relaxation more effectively.
Other sellers (2)
97 Budget

Pharmaceutical Grade AjiPure Glycine 500 mg

Swanson Ultra
4.8
★★★★★
(1596 ratings)
Using AjiPure pharmaceutical-grade amino acids ensures a higher level of purity and quality for metabolic support. The free-form delivery allows for efficient absorption while maintaining a lower cost per serving.
Other sellers (1)
93 Budget

Glycine 500 mg

Country Life
4.9
★★★★★
(3588 ratings)
Adding vitamin B6 as pyridoxine hydrochloride provides a necessary cofactor for amino acid metabolism. This combination supports neurological health and metabolic pathways more comprehensively than glycine alone.
Other sellers (1)
92 Budget

DGL Deglycyrrhizinated Licorice Root Extract

Swanson Superior Herbs
4.6
★★★★★
(1298 ratings)
Combining glycine with deglycyrrhizinated licorice root extract offers targeted support for digestive comfort and mucosal integrity. This dual-action approach may help soothe the gastrointestinal tract while providing foundational amino acids.
Other sellers (2)
94 Value

5-HTP 100 mg

Metabolic Maintenance
4.7
★★★★★
(122 ratings)
Pairing a meaningful 440 mg dose of glycine with 5-HTP and essential vitamins B6 and C supports emotional balance and relaxation. This synergistic blend addresses neurotransmitter health from multiple angles in a single capsule.
Other sellers (0)
95 Value

Double Strength 5-HTP 200 mg

NOW
4.8
★★★★★
(16873 ratings)
Integrating glycine with taurine, inositol, and niacinamide provides a broader range of nutrients for neurological calm and sleep support. The 120-count bottle ensures a long-term supply for consistent daily supplementation.
Other sellers (4)
90 Value

DGL Ultra

Nature's Way
4.5
★★★★★
(2396 ratings)
Utilizing GutGard deglycyrrhizinated licorice extract alongside glycine focuses on upper GI comfort and mucosal health. The capsule delivery avoids the taste issues associated with chewable herbal tablets while providing effective digestive aid.
Other sellers (3)
97 Performance

Glycine 1000 mg

Life Extension
4.8
★★★★★
(14616 ratings)
Doubling the glycine content to 1,000 mg per capsule provides a more therapeutic dose for supporting detoxification and anti-inflammatory pathways. The high-potency format allows for more efficient intake without the need for multiple pills.
Other sellers (3)
97 Performance

Glycine Powder

Metabolic Maintenance
4.8
★★★★★
(227 ratings)
Pure powder format offers maximum flexibility for customized dosing, which can be beneficial for individuals requiring higher amounts. The clean-label approach removes all excipients and fillers for a more direct amino acid source.
Other sellers (1)
95 Performance

Advanced Magnesium Complex

AOR Advanced Orthomolecular Research Advanced
4.8
★★★★★
(650 ratings)
Supplying a significant 1,440 mg dose of glycine alongside bioavailable magnesium glycinate and ascorbate creates a powerful synergy for systemic health. The addition of vitamin C and multiple mineral forms supports glutathione production and muscle relaxation more effectively.
Other sellers (2)
Report alternatives