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Glycine 500 mg

Metabolic Maintenance
4.8
★ ★ ★ ★ ★
(160 ratings)
Glycine 500 mg
Product Image
Score73
A clear but low glycine amount is undermined by multi-capsule dosing, weak purity disclosure, and poor per-gram value.
How scoring works
Quantity:250 Capsule(s) • (90 servings)
Goals:

Score 73

A clear but low glycine amount is undermined by multi-capsule dosing, weak purity disclosure, and poor per-gram value.
How scoring works
$48.00($0.53 per serving)
iHerb
$ 48.00
Pure Formulas
$ 48.00
iHerb
$ 48.00
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Analysis

The listed serving provides 500 mg of glycine in capsules without additional actives. A simple ingredient profile makes the purpose easy to understand.

The amount is well below common multi-gram use, and the supplied serving information implies several capsules per dose. No branded source, purity grade, or certification is provided to justify the premium position.

The large bottle offers many capsules but only ninety listed servings. Dedicated glycine users will generally find powder or higher-dose capsules more practical.

Who is it for
  • Adults wanting small divided glycine doses
  • Users who strongly prefer capsules
  • People not targeting multi-gram intake
Best for
  • Modest glycine use
  • Divided capsule dosing
  • Users avoiding powder

Pros

  • Single active
  • Clearly states 500 mg glycine
  • Large capsule count
  • No competing nutrients

Cons

  • Low amount per serving
  • Several capsules needed for multi-gram use
  • No purity designation
  • Poor cost efficiency

Warnings

  • Do not take extra capsules beyond label directions simply to reach a multi-gram amount.
  • A large capsule bolus may cause digestive discomfort in sensitive users.
  • People with significant kidney or liver disease should review concentrated amino-acid use with their clinician.

Nutrient quality

80 Highest impact

Free-form glycine in capsules gives the formula reasonable ingredient quality. Dose uncertainty or limited delivery detail prevents a confident quality assessment.

Ingredient transparency

81 Highest impact

Important active details are incomplete or internally inconsistent. Serving guidance and the complete inactive-ingredient list are not fully supplied.

Customer satisfaction

64 Moderate impact

The aggregate rating is strong but the review volume limits confidence. No review excerpts are supplied to assess repeated complaints or purpose-specific experiences.

Value for money

62 Moderate impact

Premium positioning or disclosure limits weaken the value case. The useful active content appears limited relative to the serving cost.

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Ingredients

IngredientAmount per serving
Glycine
500 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
Glycine · 500 mg OverallScore49
D Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyF Value

The glycine amount is clear, but no premium grade, branded source, or purity certification is provided. At 500 mg, the serving is too low for focused sleep support. High cost per gram limits value for anyone primarily seeking glycine.

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85 Performance

Glycine Powder

Metabolic Maintenance
<p>Glycine Powder provides a stronger or more purposeful glycine profile than the original for focused glycine use. The single-ingredient powder is easy to assess and practical to scale toward a multi-gram intake. The disclosed serving is useful, though no premium purity grade or source certification is provided.</p>
84 Performance

Glycine 1000 mg

Life Extension
<p>Glycine 1000 mg provides a stronger or more purposeful glycine profile than the original for focused glycine use. A clearly measured gram-level serving gives the focused capsule useful support for glycine-related pathways. Several capsules may be needed for higher multi-gram use, while source grade and inactive ingredients are not supplied.</p>
78 Performance

Glycine

Pure Encapsulations
<p>Glycine provides a stronger or more purposeful glycine profile than the original for focused glycine use. The focused formula supplies a useful intermediate glycine amount with clear active disclosure. A multi-capsule serving, very limited review volume, and no stated source grade keep the value only moderate.</p>
83 Budget

Pharmaceutical Grade AjiPure Glycine 500 mg

Swanson Ultra
<p>A lower serving cost makes Pharmaceutical Grade AjiPure Glycine 500 mg a more economical choice than the original. A branded pharmaceutical-grade source gives the simple capsule unusually clear raw-material quality. The serving remains modest for multi-gram glycine use, and the inactive-ingredient list is not supplied.</p>
80 Budget

Glycine 500 mg

Solgar
<p>A lower serving cost makes Glycine 500 mg a more economical choice than the original. The simple capsule clearly discloses glycine but provides an entry-level amount that may require several capsules for multi-gram use. Practical pricing and extensive feedback help, while source grade and inactive ingredients remain unclear.</p>
80 Budget

Glycine 500 mg

Country Life
<p>A lower serving cost makes Glycine 500 mg a more economical choice than the original. The disclosed glycine amount is modest, while vitamin B6 adds a relevant cofactor without solving the low glycine dose. Accessible value and broad feedback are positives, but source grade and inactive ingredients remain unclear.</p>
82 Value

Advanced Magnesium Complex

AOR Advanced Orthomolecular Research Advanced
<p>Advanced Magnesium Complex offers a more useful balance of glycine relevance and recurring cost than the original. Several absorbable magnesium forms and a substantial glycine yield make this a well-designed foundational mineral formula. The label does not separate how much elemental magnesium comes from each form, and several carriers overlap in purpose.</p>
79 Value

Melatonin 2 mg

Metabolic Maintenance
<p>Melatonin 2 mg offers a more useful balance of glycine relevance and recurring cost than the original. A practical melatonin amount gives the simple capsule strong alignment with sleep timing and onset. Glycine is relevant but far below a focused standalone amount, and no release profile is supplied.</p>
83 Value

DGL Ultra

Nature's Way
<p>DGL Ultra offers a more useful balance of glycine relevance and recurring cost than the original. Standardized DGL in a simple capsule supports the product’s digestive purpose, while glycine is only a minor addition. Serving value is reasonable for the DGL formula but very weak for anyone primarily seeking glycine.</p>
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