Product Image

5-HTP 100 mg

Metabolic Maintenance
4.7
★ ★ ★ ★ ★
(252 ratings)
5-HTP 100 mg
Glycine 300 mg
Product Image
Score96

Bulk professional-grade 100 mg 5-HTP with Glycine for long-term clean neurotransmitter support.

How scoring works
Quantity:120 Capsule(s) • (120 servings)
Goals:
Mood Support
Stress Relief
Sleep Support
Weight Loss

Score 96

Bulk professional-grade 100 mg 5-HTP with Glycine for long-term clean neurotransmitter support.

How scoring works
$46.00($0.38 per serving)
iHerb
$ 46.00
Pure Formulas
$ 46.00
iHerb
$ 46.00
Report prices

Analysis

Supplying 100 mg of 5-HTP alongside glycine and essential vitamin cofactors supports both satiety and emotional health. These components work together to provide the raw materials needed for balanced neurochemistry.

Clean purity standards and a simple capsule format ensure a straightforward user experience. Large serving counts reflect an efficient choice for those committed to a long-term daily routine.

Standardized extraction ensures a reliable level of the active amino acid in every capsule. This multifaceted approach targets multiple pathways for a consistent and high-quality result.

Who is it for
  • Regular users of professional supplements
  • Individuals seeking bulk value in clean formulas
  • People needing long-term mood and sleep maintenance
Best for
  • Consistent serotonin maintenance
  • Long-term value on high-purity blends
  • Daily emotional steady-state

Pros

  • Superior bulk value (120 count)
  • No common fillers or excipients
  • Includes essential cofactors (B6, C)
  • Clean vegetable capsules

Cons

  • Higher total upfront cost
  • Minimalist formula may not suit those wanting herbs

Warnings

  • Keep tightly sealed to maintain freshness
  • Monitor for any changes in dreaming

Nutrient quality

95 Highest impact

Balanced combination of precursors and cofactors supports efficient serotonin metabolism. Meaningful doses of all active agents provide functional support for relaxation and mood stability.

Ingredient transparency

100 Highest impact

Labeling is exceptionally transparent, Providing precise amounts for every active component without hidden proprietary blends. Simple and specific naming ensures consumer clarity regarding the formula's composition.

Customer satisfaction

93 Highest impact

High average ratings and a solid review base demonstrate consistent consumer trust in the professional-grade formula. Feedback confirms the effectiveness of the synergistic approach for supporting emotional balance.

Value for money

93 Highest impact

Exceptional value is provided by the bulk 120-capsule packaging, which offers a high-quality supplement at a competitive cost per serving. It represents one of the most economical choices for individuals seeking professional-grade support.

Report analysis

Goals

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

Providing 100mg of 5-Hydroxytryptophan alongside vitamins C and B6 supports the biological synthesis of serotonin for emotional health. The addition of 300mg of glycine contributes further to nervous system relaxation and may support improved sleep quality.

Focusing on high-quality ingredients with necessary cofactors ensures the precursor amino acids are effectively utilized by the body. This formula appears well-aligned for those seeking a synergistic but streamlined approach to mood stabilization.

View goal →
Stress Relief
Impact
Highest effect
A- Goal FitA- Strength of SupportB CoverageA+ Formula Quality

A 100 mg dose of 5-HTP is combined with glycine and essential vitamins to support serotonin production and relaxation. This targeted formula aims to improve emotional resilience and maintain a calm state during high-pressure periods.

High purity standards are maintained through a clean ingredient profile that avoids common fillers and artificial additives. The use of standardized components ensures reliable and consistent results for long-term stress management.

View goal →
Sleep Support
Impact
Highest effect
A- Goal FitB+ Strength of SupportB CoverageA+ Formula Quality

Pairing 100 mg of 5-HTP with 300 mg of glycine offers combined support for hormone synthesis and central nervous system relaxation. Active vitamin B6 is included to facilitate the efficient conversion of these amino acids into sleep-regulating neurotransmitters.

Focused strategy targets both sleep latency and the transition into deeper sleep cycles without unnecessary fillers. Capsule format provides a standard and practical delivery system for these synergistic nutrients.

View goal →
Weight Loss
Impact
Highest effect
B+ Goal FitB Strength of SupportB CoverageA Formula Quality

5-HTP is combined with Vitamin C, Vitamin B6, and Glycine to support efficient serotonin synthesis and help manage appetite. This formulation provides a 100 mg dose of 5-HTP to target hunger signals and help curb cravings for high-carbohydrate foods.

Increased serotonin availability is a key factor in improving dietary consistency and managing weight over time. Including metabolic cofactors and glycine ensures the conversion and neurological pathways for these actives are supported for regular use.

View goal →

Ingredients

IngredientAmount per serving
Vitamin C (Ascorbic Acid)
 100 mg
Vitamin B6
3 mg
5-Hydroxytryptophan
100 mg
Glycine
300 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
5-HTP · 100 mg OverallScore74
C- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyC Value
This professional-grade supplement offers 100mg of 5-HTP combined with glycine and essential vitamins. It is designed to support neurotransmitter health using high-quality standards.
View ingredientView products
Glycine · 300 mg OverallScore73
B- Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyB- Value
Selecting a larger supply of this formula ensures a steady intake of targeted amino acids and vitamins. High manufacturing standards and the absence of common fillers highlight a commitment to ingredient purity.
View ingredientView products
97 Value

5-HTP 100 mg

NOW
4.7
★★★★★
(53042 ratings)
Large bottle counts and a focus on a single active ingredient provide a highly efficient way to maintain daily serotonin support. Reliable standardized extraction from Griffonia simplicifolia seeds ensures consistent quality across every serving.
Other sellers (4)
95 Value

5-HTP 200mg

Best Naturals
4.8
★★★★★
(270 ratings)
Providing a concentrated 200 mg dose in a 120-count bottle offers superior value for those requiring higher levels of amino acid precursors. Clean vegetable capsules without common allergens or excessive fillers support better accessibility.
Other sellers (2)
96 Value

5-HTP 100 mg Extra Strength

Swanson
4.8
★★★★★
(11368 ratings)
Focused single-ingredient delivery ensures that the profile remains efficient and transparent for daily mood and sleep support. Standard 100 mg doses at a highly accessible price point make this a practical and reliable option.
Other sellers (3)
96 Performance

5-HTP Enhanced with Vitamins B6 and C

Doctor's Best
4.8
★★★★★
(10291 ratings)
The inclusion of vitamin C and vitamin B6 alongside 5-HTP provides the essential cofactors needed for the biological conversion into serotonin. This synergistic approach addresses multiple steps in the synthesis pathway for better mood support.
Other sellers (4)
96 Performance

5-HTP 200 mg

NutraBio
4.7
★★★★★
(771 ratings)
High-potency 200 mg doses paired with 50 mg of vitamin B6 support robust serotonin production for those seeking stronger support. Standardized botanical sourcing ensures the quality of active compounds for consistent emotional regulation.
Other sellers (1)
97 Performance

Glycine 1000 mg

Life Extension
4.8
★★★★★
(15595 ratings)
A high-potency 1,000 mg capsule of pure glycine supports detoxification and inhibitory neurotransmitter balance more effectively than lower doses. Free-form delivery ensures rapid absorption and immediate availability for metabolic utilization.
Other sellers (3)
95 Budget

5-HTP 50 mg

NOW
4.7
★★★★★
(14464 ratings)
A conservative 50 mg dose provides a gentle way to support the body's natural serotonin levels at an exceptionally low price. Large bottle counts reflect superior value for long-term daily maintenance.
Other sellers (5)
94 Budget

5-HTP 50 mg

Swanson Premium Brand
4.7
★★★★★
(1779 ratings)
Standardized extraction from Griffonia simplicifolia seeds ensures a reliable source for mood and sleep support in a low-potency format. Competitive pricing makes this an accessible option for those monitoring a strict budget.
Other sellers (2)
96 Budget

5-HTP 100 mg

Doctor's Best
4.7
★★★★★
(13254 ratings)
Delivering 100 mg of 5-HTP in a bulk 180-count bottle offers a simple and highly efficient approach to neurotransmitter health. Vegetable capsules and a clean ingredient profile ensure suitability for various dietary preferences.
Other sellers (2)
97 Value

5-HTP 100 mg

NOW
4.7
★★★★★
(53042 ratings)
Large bottle counts and a focus on a single active ingredient provide a highly efficient way to maintain daily serotonin support. Reliable standardized extraction from Griffonia simplicifolia seeds ensures consistent quality across every serving.
Other sellers (4)
95 Value

5-HTP 200mg

Best Naturals
4.8
★★★★★
(270 ratings)
Providing a concentrated 200 mg dose in a 120-count bottle offers superior value for those requiring higher levels of amino acid precursors. Clean vegetable capsules without common allergens or excessive fillers support better accessibility.
Other sellers (2)
96 Value

5-HTP 100 mg Extra Strength

Swanson
4.8
★★★★★
(11368 ratings)
Focused single-ingredient delivery ensures that the profile remains efficient and transparent for daily mood and sleep support. Standard 100 mg doses at a highly accessible price point make this a practical and reliable option.
Other sellers (3)
96 Performance

5-HTP Enhanced with Vitamins B6 and C

Doctor's Best
4.8
★★★★★
(10291 ratings)
The inclusion of vitamin C and vitamin B6 alongside 5-HTP provides the essential cofactors needed for the biological conversion into serotonin. This synergistic approach addresses multiple steps in the synthesis pathway for better mood support.
Other sellers (4)
96 Performance

5-HTP 200 mg

NutraBio
4.7
★★★★★
(771 ratings)
High-potency 200 mg doses paired with 50 mg of vitamin B6 support robust serotonin production for those seeking stronger support. Standardized botanical sourcing ensures the quality of active compounds for consistent emotional regulation.
Other sellers (1)
97 Performance

Glycine 1000 mg

Life Extension
4.8
★★★★★
(15595 ratings)
A high-potency 1,000 mg capsule of pure glycine supports detoxification and inhibitory neurotransmitter balance more effectively than lower doses. Free-form delivery ensures rapid absorption and immediate availability for metabolic utilization.
Other sellers (3)
Report alternatives