Product Image

Double Strength 5-HTP 200 mg

NOW
4.8
★ ★ ★ ★ ★
(16985 ratings)
5-HTP 200 mg
Glycine 100 mg
Taurine 100 mg
Product Image
Score96

Potent 200 mg double-strength 5-HTP complex with calming amino acids and B-vitamins for intensive support.

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

Score 96

Potent 200 mg double-strength 5-HTP complex with calming amino acids and B-vitamins for intensive support.

How scoring works

Also available as

1 option
120 servings Glycine 100 mg, 5-HTP 200 mg +1 more • 120 Capsule(s) • 120 servings $29.44 ($0.24 per serving)
$16.48($0.27 per serving)
Amazon
$ 17.40
iHerb
$ 18.36
Vitacost
$ 19.65
Daily Vita
$ 17.40
Pure Formulas
$ 18.13
iHerb
$ 18.36
Report prices

Analysis

Double-strength 5-HTP is paired with niacin, B6, glycine, taurine, and inositol for comprehensive support. These ingredients act as metabolic cofactors and inhibitory neurotransmitters to foster a quieted mental state.

Strong 200 mg potency is intended for individuals seeking more significant support for mood and sleep. High review counts suggest a reliable and consistent experience for many users.

Vegetable capsules house this complex blend, keeping the formula clean and accessible. This multi-angled strategy addresses several biological pathways at once for maximum effectiveness.

Who is it for
  • Users seeking high-potency mood support
  • Individuals needing comprehensive sleep aid
  • People wanting multiple amino acids in one pill
Best for
  • Intensive serotonin support
  • Deep nighttime relaxation
  • Satiety and craving management

Pros

  • Comprehensive multi-nutrient blend
  • Includes calming aminos like Glycine and Taurine
  • High 200 mg 5-HTP dose
  • Includes metabolic B-vitamins

Cons

  • Stronger dose may not be for beginners
  • Includes more ingredients which some may not want

Warnings

  • May cause vivid dreams or mild morning grogginess
  • Niacin content may cause sensitivity in some

Nutrient quality

95 Highest impact

High-potency 200 mg dose of 5-HTP is supported by inhibitory amino acids and essential metabolic cofactors. This combination ensures multifaceted support for relaxation pathways and neurotransmitter conversion.

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.

Customer satisfaction

96 Highest impact

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

Value for money

94 Highest impact

Competitive pricing per serving makes this high-potency complex an excellent choice for individuals seeking robust support. The diverse and meaningful ingredient profile offers significant value relative to the affordable price point.

Report analysis

Goals

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

5-HTP is combined with Vitamin B6, Niacin, Glycine, Taurine, and Inositol to provide comprehensive support for neurotransmitter synthesis and metabolic health. This high-strength formula delivers 200 mg of 5-HTP to manage intense hunger signals and food cravings.

Serotonin production is supported by the inclusion of B6 and Niacin, while Glycine and Taurine offer additional calming effects. This multi-angled approach addresses both satiety and the stress-related factors that often interfere with weight management.

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

A high-strength 200mg dose of 5-HTP is combined with glycine, taurine, and inositol for broad neurological support. This complex formula also includes niacin and vitamin B6 as cofactors to facilitate the synthesis of calming neurotransmitters.

By addressing multiple pathways such as physical relaxation and hormone synthesis, the blend provides more comprehensive support than single-ingredient alternatives. These ingredients appear well aligned for those seeking intensive nighttime 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.

View goal →

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
Double-strength 200mg capsules provide a potent dose of naturally derived 5-HTP for intensive support. Inclusion of glycine, taurine, and inositol may offer broader neurological support in a clean vegetable capsule.
View ingredientView products
Glycine · 100 mg OverallScore71
B- Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyB- Value
Combining 5-HTP, taurine, and glycine may support a relaxed state before sleep. Vegetable capsules provide a practical way to consume these amino acids while maintaining a clean profile.
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
93 Value

GABA Calm Orange Flavor

Source Naturals
4.5
★★★★★
(331 ratings)
A convenient sublingual format offers an efficient way to support neurotransmitter balance and stress management. Meaningful doses of GABA and glycine provide focused support for emotional resilience at a competitive value.
Other sellers (1)
91 Value

GABA Relaxer

Country Life
4.7
★★★★★
(784 ratings)
Higher concentrations of taurine and inositol at 600 mg each provide a robust foundation for nervous system relaxation. Including 200 mg of GABA and 400 mg of glycine supports a balanced neurological response to daily stressors.
Other sellers (2)
95 Value

5-HTP 100 mg

Metabolic Maintenance
4.7
★★★★★
(252 ratings)
Standard 100 mg doses of 5-hydroxytryptophan are paired with vitamin C and 300 mg of glycine to support satiety and mood. Large serving counts and clean formulation standards reflect a reliable and efficient choice for consistent support.
Other sellers (2)
97 Performance

True Calm

NOW
4.6
★★★★★
(4601 ratings)
Combining GABA, glycine, and taurine provides a broad approach to supporting a relaxed nervous system and emotional balance. Inclusion of vitamin B6 and magnesium bisglycinate acts as essential cofactors for neurotransmitter metabolism in a highly rated formula.
Other sellers (4)
96 Performance

Sleep Nighttime Powder

youtheory
4.4
★★★★★
(1943 ratings)
Providing 3,000 mg of L-glycine alongside 5-HTP and L-theanine offers robust support for relaxation and evening recovery. Powdered delivery allows for higher dosages of foundational amino acids compared to a capsule format.
Other sellers (3)
94 Performance

NightRest With Melatonin

Source Naturals
4.5
★★★★★
(5408 ratings)
Integrating melatonin and GABA with calming botanicals like chamomile and skullcap addresses multiple pathways for restorative rest. Higher doses of magnesium and taurine contribute to physical relaxation alongside mental calm.
Other sellers (2)
97 Budget

Double Strength 5-HTP 200 mg

NOW
4.8
★★★★★
(17221 ratings)
Providing the same 200 mg dose of 5-HTP in a larger 120-count bottle offers better cost-effectiveness for long-term use. Including the same blend of niacin, vitamin B6, glycine, and taurine ensures consistent support for neurotransmitter synthesis.
Other sellers (4)
93 Budget

GABA Calm

Source Naturals Serene Science
4.4
★★★★★
(3616 ratings)
A sublingual delivery system allows for potentially faster absorption of GABA and glycine compared to standard capsules. Including N-acetyl L-tyrosine and magnesium further supports emotional balance and relaxation goals at a lower price per serving.
Other sellers (5)
94 Budget

GABA Calm Orange Flavor

Source Naturals Serene Science
4.5
★★★★★
(3135 ratings)
Utilizing a sublingual liquid format provides rapid support for stress relief and cognitive calm. The combination of GABA, glycine, and taurine appears well aligned for managing acute tension efficiently.
Other sellers (4)
93 Value

GABA Calm Orange Flavor

Source Naturals
4.5
★★★★★
(331 ratings)
A convenient sublingual format offers an efficient way to support neurotransmitter balance and stress management. Meaningful doses of GABA and glycine provide focused support for emotional resilience at a competitive value.
Other sellers (1)
91 Value

GABA Relaxer

Country Life
4.7
★★★★★
(784 ratings)
Higher concentrations of taurine and inositol at 600 mg each provide a robust foundation for nervous system relaxation. Including 200 mg of GABA and 400 mg of glycine supports a balanced neurological response to daily stressors.
Other sellers (2)
95 Value

5-HTP 100 mg

Metabolic Maintenance
4.7
★★★★★
(252 ratings)
Standard 100 mg doses of 5-hydroxytryptophan are paired with vitamin C and 300 mg of glycine to support satiety and mood. Large serving counts and clean formulation standards reflect a reliable and efficient choice for consistent support.
Other sellers (2)
97 Performance

True Calm

NOW
4.6
★★★★★
(4601 ratings)
Combining GABA, glycine, and taurine provides a broad approach to supporting a relaxed nervous system and emotional balance. Inclusion of vitamin B6 and magnesium bisglycinate acts as essential cofactors for neurotransmitter metabolism in a highly rated formula.
Other sellers (4)
96 Performance

Sleep Nighttime Powder

youtheory
4.4
★★★★★
(1943 ratings)
Providing 3,000 mg of L-glycine alongside 5-HTP and L-theanine offers robust support for relaxation and evening recovery. Powdered delivery allows for higher dosages of foundational amino acids compared to a capsule format.
Other sellers (3)
94 Performance

NightRest With Melatonin

Source Naturals
4.5
★★★★★
(5408 ratings)
Integrating melatonin and GABA with calming botanicals like chamomile and skullcap addresses multiple pathways for restorative rest. Higher doses of magnesium and taurine contribute to physical relaxation alongside mental calm.
Other sellers (2)
Report alternatives