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Sleep Nighttime Powder

youtheory
4.3
★ ★ ★ ★ ★
(171 ratings)
Theanine 200 mg
Glycine 3000 mg
Melatonin 0.3 mg
5-HTP 100 mg
Tryptophan 250 mg
Product Image
Score94

A complete nighttime powder with a full 3g dose of glycine and low melatonin for better recovery.

How scoring works
Quantity:6 Liquid(s) • (30 servings)
Goals:
Sleep Support
Cognitive Support
Brain Health
Mood Support
Anti-Aging
Stress Relief
Productivity Boost
Anti-Inflammatory Support

Score 94

A complete nighttime powder with a full 3g dose of glycine and low melatonin for better recovery.

How scoring works
$14.07($0.46 per serving)
Vitacost
$ 17.59
Walmart
$ 14.95
iHerb
$ 14.95
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Analysis

Sleep Nighttime Powder provides 3,000mg of glycine, which is the dose often used to help you wake up feeling more refreshed. It also includes 5-HTP, tryptophan, and a tiny bit of melatonin to support your natural sleep cycle. The addition of magnesium citrate helps with physical relaxation.

The powder form is perfect for those who want to avoid swallowing more pills at night. It can be mixed into a small amount of water for a calming pre-bed drink. This is a very complete and well-dosed recovery product.

Pros

  • Full 3,000mg clinical dose of glycine
  • Very low 0.3mg melatonin dose
  • Includes magnesium for muscle calm
  • Easy-to-take powder form

Cons

  • Taste might not appeal to everyone
  • Only 30 servings per bottle
  • Can be messy to mix

Warnings

  • May cause a relaxed feeling quickly
  • Monitor your response to 5-HTP
  • Consult a professional if taking mood medication

Nutrient quality

96 Highest impact

Providing 3,000 mg of glycine represents a clinical-standard dose for therapeutic sleep support. Synergistic levels of theanine and 5-HTP enhance the calming effects through multiple neurological pathways.

Ingredient transparency

98 Highest impact

Dosages for all active components are clearly listed on the label, supporting informed clinical use. Detailed ingredient naming and usage instructions ensure that patients can safely manage their intake.

Customer satisfaction

89 Highest impact

Strong ratings and positive feedback regarding sleep efficiency and morning alertness confirm the formula's effectiveness. Users often highlight the rapid onset of relaxation after taking the powder.

Value for money

91 Highest impact

Providing a full clinical dose of glycine alongside other co-active ingredients justifies the premium price point. The cost per serving offers significant therapeutic value for patients requiring intensive sleep support.

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Goals

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

Magnesium, Glycine, and Melatonin are included to support the transition into sleep and regulate the circadian rhythm.

Providing 3,000mg of glycine aligns with clinical evidence for improving sleep efficiency while theanine and tryptophan contribute to mental relaxation.

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

Sleep Nighttime Powder features a comprehensive blend of L-theanine, glycine, and 5-HTP to support relaxation and cognitive recovery. L-theanine at 200 mg promotes alpha brain wave activity for a calm mental state.

The addition of magnesium citrate and a high dose of glycine further supports neural relaxation. This formulation provides exceptional depth across several pathways to ensure restorative sleep.

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Brain Health
Impact
Highest effect
A Goal FitA Strength of SupportA CoverageA+ Formula Quality

L-Glycine, L-Theanine, and 5-HTP create a high-dose amino acid complex for nighttime cognitive recovery and mental calm. This liquid-friendly powder format appears well aligned with goals for enhancing sleep depth and reducing evening stress.

Potent 3000mg dose of Glycine and 200mg of L-Theanine ensure robust support for inhibitory neurotransmitters. Inclusion of Magnesium citrate and L-Tryptophan further provides essential substrates for neuroprotection and focus-regulating hormones.

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

L-Glycine and L-Theanine support relaxation through the modulation of inhibitory neurotransmitters and brain wave activity. These ingredients appear well aligned for inducing a calm state of mind and improving the response to stress.

The addition of 5-Hydroxytryptophan and L-Tryptophan provides a broad approach to supporting the body's natural serotonin production. This multifaceted formula offers comprehensive coverage for emotional balance and nighttime relaxation through several synergistic pathways.

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Stress Relief
Impact
Highest effect
A Goal FitA Strength of SupportA+ CoverageA- Formula Quality

This nighttime powder provides a robust matrix of amino acids, including a high 3,000 mg dose of L-Glycine. Magnesium Citrate and L-Theanine further support nervous system relaxation and mental calm before sleep.

Inclusion of Tryptophan and 5-HTP appears well aligned for promoting serotonin synthesis and emotional balance. The powder format allows for rapid absorption, making it an efficient choice for evening stress relief.

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Anti-Aging
Impact
Highest effect
A+ Goal FitA Strength of SupportA+ CoverageB+ Formula Quality

L-Glycine 3000 mg and L-Theanine combine to support deep sleep and cellular repair pathways throughout the lifespan. These ingredients assist in maintaining neurological health and systemic glutathione production, which naturally decrease during aging.

The 3000mg dose of glycine meets established clinical standards for effective sleep support. This multi-active blend targets several drivers of aging, including oxidative stress and cognitive health, through improved restorative sleep quality.

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Ingredients

IngredientAmount per serving
Magnesium (Magnesium Citrate)
 200 mg
L-Glycine
3000 mg
L-Tryptophan
250 mg
L-Theanine
200 mg
L-5-Hydroxytryptophan
100 mg
Melatonin
0.3 mg
Adults 18–50 Women
Report overview
Theanine · 200 mg OverallScore92
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
A nighttime powder that delivers a comprehensive matrix of L-Theanine, Glycine, and 5-HTP for superior rest. The high dosage of amino acids makes it a powerful option for improving sleep duration and depth.
View ingredientView products
Glycine · 3000 mg OverallScore79
B Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyB- Value
This nighttime powder is the only product in the list that meets the full 3,000 mg clinical dose for sleep. Its synergistic blend makes it a top-tier choice for improving sleep quality through glycine.
View ingredientView products
Melatonin · 0.3 mg OverallScore72
C Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyF Value
This nighttime powder is designed to be mixed into a liquid, delivering a very low 0.3mg dose of melatonin with amino acids. It focuses on gentle sleep support that mimics natural hormonal levels while promoting relaxation.
View ingredientView products
88 Value

Ultra Strength Sleep

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New Mood

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4.2
★★★★★
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5-HTP 100 mg

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4.7
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3 a.m. Melatonin Fast Dissolve Lavender Vanilla

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★★★★★
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97 Budget

Sleep Regimen 3-in-1

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4.5
★★★★★
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Triple Action Sleep

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★★★★★
(1962 ratings)
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88 Value

Ultra Strength Sleep

OLLY
4.2
★★★★★
(9108 ratings)
Delivers 10mg of melatonin paired with magnesium and L-theanine in a softgel format for broad-spectrum nervous system support. This provides strong circadian assistance and relaxation support in a practical daily dose.
Other sellers (3)
85 Value

Sleep Perfect

EB Earth's Bounty
4.2
★★★★★
(171 ratings)
Utilizes bioavailable magnesium citrate along with melatonin and L-theanine to support mental relaxation and the sleep-wake cycle. The synergistic herbal blend adds further botanical support for a calm state at a reasonable cost.
Other sellers (2)
93 Value

Restful Sleep Blackberry Zen

OLLY
4.4
★★★★★
(5220 ratings)
Features 200mg of L-theanine and 3mg of melatonin along with soothing chamomile and passionflower extracts. This formula provides a balanced approach to reducing sleep latency and promoting evening tranquility.
Other sellers (3)
95 Performance

Genius Sleep Aid

The Genius Brand
5.0
★★★★★
(2422 ratings)
Integrates 1,000mg of L-glycine and a physiological dose of melatonin with rutaecarpine to assist in clearing caffeine for better rest. This advanced formula focuses on high-quality ingredients to support deep neurological recovery.
Other sellers (1)
87 Performance

New Mood

Onnit
4.2
★★★★★
(6948 ratings)
Pairs L-tryptophan and 5-HTP with magnesium bisglycinate chelate to support serotonin synthesis and emotional stability. This multi-layered approach targets nighttime relaxation through broad neurotransmitter precursor support.
Other sellers (3)
94 Performance

5-HTP 100 mg

Metabolic Maintenance
4.7
★★★★★
(122 ratings)
Combines 440mg of glycine with 100mg of 5-HTP and essential vitamins to support emotional balance and neurotransmitter synergy. This clean, high-purity formula is excellent for individuals seeking targeted mood and sleep support without additives.
Other sellers (0)
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