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Double Strength 5-HTP 200 mg

NOW
4.8
★ ★ ★ ★ ★
(17221 ratings)
5-HTP 200 mg
Glycine 100 mg
Taurine 100 mg
Product Image
Score97

Exceptional value bulk 120-count 200 mg 5-HTP complex for broad-spectrum intensive mood and sleep support.

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

Score 97

Exceptional value bulk 120-count 200 mg 5-HTP complex for broad-spectrum intensive mood and sleep support.

How scoring works

Also available as

1 option
60 servings Glycine 100 mg, 5-HTP 200 mg +1 more • 60 Capsule(s) • 60 servings $16.48 ($0.27 per serving)
$29.44($0.24 per serving)
iHerb
$ 34.29
iHerb
$ 34.29
Amazon
$ 29.40
Vitacost
$ 35.55
Daily Vita
$ 32.40
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Analysis

Powerful 200 mg dose of 5-HTP is combined with niacin, B6, glycine, taurine, and inositol for broad neurological support. These components work together to facilitate optimized neurotransmitter synthesis and systemic relaxation.

Large bulk quantities reflect superior value for those committed to a high-potency regimen. Massive feedback from users confirms the reliability and trust associated with this complex blend.

Vegetable capsules and a clean profile ensure suitability for diverse dietary needs. This multi-layered approach targets several aspects of neurotransmitter health for a consistent experience.

Who is it for
  • Long-term high-potency users
  • Individuals needing all-in-one relaxation support
  • Value-seeking shoppers wanting premium blends
Best for
  • Sustained intensive mood support
  • Comprehensive nighttime recovery
  • Maximum value on complex formulas

Pros

  • Best value for double-strength complex
  • Multi-pathway support (B-vitamins + Aminos)
  • Vegetable capsule format
  • Trusted high review count

Cons

  • 200 mg may be too much for some individuals
  • Complex formula has more potential for sensitivities

Warnings

  • Monitor for digestive tolerance
  • Avoid using with other high-dose B-vitamins

Nutrient quality

95 Highest impact

High-potency dosing is supported by essential cofactors and inhibitory amino acids for comprehensive pathway coverage. This combination ensures that the metabolic requirements for serotonin synthesis are fully addressed.

Ingredient transparency

99 Highest impact

Labeling is exceptionally clear, providing specific amounts for every active component without hidden proprietary blends. Detailed identification of nutrient forms ensures consumer clarity regarding the formula's potency over time.

Customer satisfaction

96 Highest impact

Exceptionally high review volume and strong average ratings demonstrate massive consumer trust in this bulk high-potency formula. Feedback confirms the effectiveness of the multi-nutrient approach for supporting emotional resilience.

Value for money

99 Highest impact

Exceptional value is provided through the bulk 120-capsule packaging, which offers a high-potency dose at a very low cost per serving. It represents one of the most economical choices for individuals seeking intensive long-term support.

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Goals

Weight Loss
Impact
Highest effect
A Goal FitA+ Strength of SupportA- CoverageA+ Formula Quality

5-HTP is combined with metabolic cofactors like Vitamin B6 and Niacin to support efficient serotonin synthesis and help manage appetite. This high-strength formulation delivers 200 mg of 5-HTP per serving to target intense hunger signals and cravings.

Additional amino acids Glycine and Taurine are included to help manage stress and support overall neurological balance during weight loss. Increasing serotonin availability is associated with improved satiety and more consistent dietary habits.

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

A potent 200mg dose of 5-HTP is paired with complementary ingredients like glycine, taurine, and inositol for multi-pathway support. Vitamins B3 and B6 are included as cofactors to facilitate the synthesis of calming neurotransmitters essential for rest.

This double-strength formula addresses several potential barriers to sleep, including hormonal balance and physical relaxation. It is well suited for individuals seeking a more comprehensive and intensive level of nightly assistance.

View goal →
Mood Support
Impact
Highest effect
A Goal FitA- Strength of SupportA CoverageA Formula Quality

High-dose 5-HTP is combined with calming amino acids and B-vitamins for a broad approach to neurological support. This multi-nutrient blend addresses both neurotransmitter synthesis and nervous system relaxation.

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Ingredients

IngredientAmount per serving
Niacin (Niacinamide, Vitamin B3)
 20 mg
Vitamin B6 (Pyridoxine Hydrochloride)
 2 mg
5-HTP (Griffonia simplicifolia Seed Extract)
 200 mg
Glycine
100 mg
Taurine
100 mg
Inositol
100 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
5-HTP (Griffonia simplicifolia Seed Extract) · 200 mg OverallScore87
B- Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyA+ Value
Large-volume 200mg capsules offer intensive serotonin support in a bulk package for better value. Naturally derived extract and vegetable capsules support a clean, high-potency amino acid profile.
View ingredientView products
Glycine · 100 mg OverallScore71
B- Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyB- Value
A larger quantity of this nutrient blend offers a consistent way to incorporate several calming ingredients into a daily routine. Using vegetable capsules helps deliver the 5-HTP and glycine without added sugars.
View ingredientView products
Taurine · 100 mg OverallScore50
C Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyF Value
Synergistic blends utilize a modest amount of taurine alongside 5-HTP and glycine. The formulas are designed for multi-nutrient support rather than high-dose amino acid supplementation. A single-capsule serving size makes them simple to incorporate into a routine.
View ingredientView products
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GABA Calm Orange Flavor

Source Naturals
4.5
★★★★★
(331 ratings)
Delivering GABA and glycine in a sublingual format allows for rapid utilization by the body during periods of tension. Meaningful doses of active ingredients provide efficient support for mood and stress goals.
Other sellers (1)
96 Value

Double Strength 5-HTP 200 mg

NOW
4.8
★★★★★
(16985 ratings)
A robust 200 mg dose of 5-HTP is paired with niacin, vitamin B6, and calming amino acids in a smaller bottle size. This high-potency complex targets multiple biological pathways involved in emotional balance and restorative rest.
Other sellers (5)
91 Value

GABA Relaxer

Country Life
4.7
★★★★★
(784 ratings)
Generous amounts of taurine, inositol, and glycine work synergistically to support a relaxed neurological response. Metabolic cofactors like niacinamide and vitamin B6 assist in the synthesis of essential neurotransmitters.
Other sellers (2)
96 Performance

Sleep Nighttime Powder

youtheory
4.4
★★★★★
(1943 ratings)
A high-dose 3,000 mg serving of L-glycine is combined with 5-HTP and magnesium citrate to support deep relaxation. Inclusion of L-tryptophan and a physiological dose of melatonin further regulates the natural sleep-wake cycle.
Other sellers (3)
95 Performance

5-HTP (5-Hydroxytryptophan) 200 mg

Protocol For Life Balance
4.7
★★★★★
(243 ratings)
Standardized extraction from Griffonia simplicifolia seeds ensures a reliable and consistent source of high-potency precursors. Professional-grade manufacturing standards support optimized neurotransmitter synthesis for those seeking robust emotional resilience.
Other sellers (3)
94 Performance

NightRest With Melatonin

Source Naturals
4.5
★★★★★
(5408 ratings)
Meaningful dosages of inhibitory neurotransmitters and calming botanicals provide multifaceted support for evening rest. Melatonin and GABA work together to support a calm mental state and reduce the time to fall asleep.
Other sellers (2)
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