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5-HTP 100 mg

Metabolic Maintenance
4.7
★ ★ ★ ★ ★
(122 ratings)
Glycine 440 mg
5-HTP 100 mg
Product Image
Score94

A high-purity blend of 5-HTP and glycine with cofactors for mood, sleep, and appetite support.

How scoring works
Quantity:60 Capsule(s) • (60 servings)
Goals:
Mood Support
Sleep Support
Weight Loss
Stress Relief

Score 94

A high-purity blend of 5-HTP and glycine with cofactors for mood, sleep, and appetite support.

How scoring works

Also available as

1 option
120 servings Glycine 300 mg, 5-HTP 100 mg • 120 Capsule(s) • 120 servings $46.00 ($0.38 per serving)
$36.00($0.60 per serving)
iHerb
$ 36.00
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Analysis

This supplement uses 100 mg of 5-HTP as a primary precursor for serotonin, supported by a significant dose of calming glycine. The addition of vitamin B6 and C helps your body convert these precursors into active chemicals that support mood and sleep.

The formula is very clean and provides a high-purity approach for individuals who are sensitive to additives. I recommend this for patients looking to manage their appetite and stress levels through a well-rounded amino acid blend.

Pros

  • Includes essential conversion cofactors
  • Meaningful dose of calming glycine
  • Highly transparent ingredient list
  • Professional practitioner brand

Cons

  • Higher price per serving
  • Limited to 60 capsules
  • Glycine dose is moderate

Warnings

  • May cause mild stomach upset
  • Take in the evening to avoid drowsiness
  • Consult a professional if on mood meds

Nutrient quality

94 Highest impact

Vitamin B6 is included to facilitate the conversion of 5-HTP into active serotonin. The dosage of glycine is meaningfully concentrated to provide synergistic calming support alongside the primary active.

Ingredient transparency

100 Highest impact

Labeling is exceptionally clear, identifying the amounts of each amino acid and vitamin cofactor. transparency is maintained by the absence of proprietary blends and the specific identification of nutrient forms.

Customer satisfaction

93 Highest impact

High ratings and positive feedback reflect significant success with mood stabilization and sleep support. Users often appreciate the purity and consistent quality associated with the brand.

Value for money

88 Highest impact

The price reflects the premium, professional-grade quality of the ingredient sourcing and manufacturing. It offers significant value for patients requiring a clean, effective, and transparent neurotransmitter formula.

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Goals

Mood Support
Impact
Highest effect
A Goal FitA- Strength of SupportA- CoverageA+ Formula Quality

5-HTP, Glycine, Vitamin B6, and Vitamin C.

The combination of a direct neurotransmitter precursor with necessary cofactors and a calming amino acid provides targeted support for emotional balance.

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Sleep Support
Impact
Highest effect
A Goal FitB+ Strength of SupportB+ CoverageA+ Formula Quality

5-HTP and Glycine are included to provide a synergistic approach to sleep and relaxation.

Providing 100mg of 5-HTP supports the precursor pathway to melatonin while glycine assists in calming the nervous system.

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Weight Loss
Impact
Highest effect
B+ Goal FitA- Strength of SupportC+ CoverageA+ Formula Quality

Appetite suppression and satiety are supported by 100 mg of 5-HTP alongside glycine and Vitamin B6. These ingredients appear well aligned for managing hunger and supporting the neurochemical pathways necessary for dietary adherence.

The inclusion of Vitamin C provides additional antioxidant support for metabolic health during caloric restriction. This formula provides focused support for satiety while utilizing cofactors that assist in the conversion of precursors into active serotonin.

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Stress Relief
Impact
Highest effect
B+ Goal FitA- Strength of SupportB- CoverageA Formula Quality

This targeted mood formula provides 100 mg of 5-HTP alongside L-Glycine and Vitamin B6 to support serotonin synthesis. Glycine acts as an inhibitory neurotransmitter that may further contribute to a calm mental state.

Providing clinical-strength 5-HTP appears well aligned for individuals seeking support for emotional balance and stress resilience. The capsule format is clean and provides meaningful doses of each active component for synergistic functional benefit.

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Ingredients

IngredientAmount per serving
Vitamin C (Ascorbic Acid)
 100 mg
Vitamin B6
3 mg
5-HTP
100 mg
Glycine
440 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
Glycine · 440 mg OverallScore73
B- Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyB- Value
This clean 5-HTP formula uses 440 mg of glycine to enhance mood and relaxation. It is a highly pure option for sensitive individuals seeking amino acid synergy.
View ingredientView products
5-HTP · 100 mg OverallScore68
C- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyF Value
A specialized blend containing 5-HTP alongside glycine and vitamins for mood and sleep support. While the dose is ideal, the higher price point reflects its positioning as a targeted professional formula.
View ingredientView products
94 Value

5-HTP 100 mg

Metabolic Maintenance
4.7
★★★★★
(124 ratings)
This larger bottle from the same brand offers a more sustainable way to maintain a daily mood and sleep regimen. It provides the same high-purity glycine and 5-HTP blend with a more efficient cost-per-serving.
Other sellers (1)
95 Value

5-HTP 100 mg

NOW
4.7
★★★★★
(52220 ratings)
Providing 100 mg of 5-HTP in a 120-count format ensures excellent long-term value for serotonin support. It is a reliable and well-aligned choice for those seeking consistent psychological balance.
Other sellers (4)
97 Value

Glycine 1000 mg

Life Extension
4.8
★★★★★
(14616 ratings)
This high-potency 1,000 mg capsule provides a significant amount of glycine in an easy-to-take format. It is a high-value option for individuals seeking clinical-strength support for neurotransmitter balance.
Other sellers (3)
96 Performance

5-HTP 200 mg

NutraBio
4.7
★★★★★
(771 ratings)
A robust 200 mg dose of 5-HTP provides much higher support for serotonin synthesis and evening tranquility. The inclusion of a significant amount of Vitamin B6 enhances the metabolic conversion of the precursor.
Other sellers (1)
97 Performance

Glycine Powder

Metabolic Maintenance
4.8
★★★★★
(227 ratings)
Pure glycine powder at 1,000 mg per serving offers maximum flexibility for therapeutic dosing. This concentrated format is ideal for individuals requiring higher levels of amino acids to assist in metabolic clearance.
Other sellers (1)
95 Performance

5-HTP Enhanced with Vitamins B6 and C

Doctor's Best
4.8
★★★★★
(5550 ratings)
The combination of 5-HTP with vitamins B6 and C provides the necessary cofactors for effective serotonin production. It addresses both the building blocks and the enzymatic requirements for mood stability.
Other sellers (3)
93 Budget

5-HTP 50 mg

NOW
4.7
★★★★★
(14191 ratings)
A gentler 50 mg dose provides a flexible starting point for serotonin support at a significantly lower cost. It is an economical way to incorporate this botanical precursor for mood and sleep goals.
Other sellers (5)
95 Budget

Glycine 500 mg

Solgar
4.8
★★★★★
(2875 ratings)
This pure 500 mg glycine supplement offers a focused and highly affordable approach to inhibitory neurotransmitter support. It allows for precise dosing of a key calming amino acid without unnecessary complexity.
Other sellers (4)
97 Budget

Pharmaceutical Grade AjiPure Glycine 500 mg

Swanson Ultra
4.8
★★★★★
(1596 ratings)
Using pharmaceutical-grade glycine ensures the highest standards of purity for metabolic stability. It is a high-quality, cost-effective option for individuals seeking single-amino acid support.
Other sellers (1)
94 Value

5-HTP 100 mg

Metabolic Maintenance
4.7
★★★★★
(124 ratings)
This larger bottle from the same brand offers a more sustainable way to maintain a daily mood and sleep regimen. It provides the same high-purity glycine and 5-HTP blend with a more efficient cost-per-serving.
Other sellers (1)
95 Value

5-HTP 100 mg

NOW
4.7
★★★★★
(52220 ratings)
Providing 100 mg of 5-HTP in a 120-count format ensures excellent long-term value for serotonin support. It is a reliable and well-aligned choice for those seeking consistent psychological balance.
Other sellers (4)
97 Value

Glycine 1000 mg

Life Extension
4.8
★★★★★
(14616 ratings)
This high-potency 1,000 mg capsule provides a significant amount of glycine in an easy-to-take format. It is a high-value option for individuals seeking clinical-strength support for neurotransmitter balance.
Other sellers (3)
96 Performance

5-HTP 200 mg

NutraBio
4.7
★★★★★
(771 ratings)
A robust 200 mg dose of 5-HTP provides much higher support for serotonin synthesis and evening tranquility. The inclusion of a significant amount of Vitamin B6 enhances the metabolic conversion of the precursor.
Other sellers (1)
97 Performance

Glycine Powder

Metabolic Maintenance
4.8
★★★★★
(227 ratings)
Pure glycine powder at 1,000 mg per serving offers maximum flexibility for therapeutic dosing. This concentrated format is ideal for individuals requiring higher levels of amino acids to assist in metabolic clearance.
Other sellers (1)
95 Performance

5-HTP Enhanced with Vitamins B6 and C

Doctor's Best
4.8
★★★★★
(5550 ratings)
The combination of 5-HTP with vitamins B6 and C provides the necessary cofactors for effective serotonin production. It addresses both the building blocks and the enzymatic requirements for mood stability.
Other sellers (3)
Report alternatives