Vital Nutrients

Glycine Powder 4000mg

Powder · 250 g

  • Adults seeking glycine powder to support restful, quality sleep
  • Those looking to maintain healthy connective tissue with 4000mg glycine daily
  • Individuals supporting liver detoxification pathways with therapeutic-dose glycine
  • Sleep · 55% of verified reviews
Quality & Trust Score
90 Strong Evidence
★★★★☆ 4.6 (1.2K) 4 sources
See breakdown →
Manufacturing70
Lab Verification78
Review Consensus100
Brand-verified ·Good manufacturing practices verifiedQuality ingredients with verified sourcingClean FDA regulatory recordPositive consumer reviews and community feedbackAuthorized distribution channel verified
$36.99
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Ingredients & product label

Serving Size: 1 teaspoon (4 grams)

Amount Per Serving
Glycine Powder ... 4g

Other Ingredients: None

Free from casein, corn, crustacean, dairy/milk, egg, fish, artificial colors/flavors, gluten, lactose, peanut, sesame, shellfish, soy, soy protein, sugar, sweeteners, tree nut, wheat, and unnecessary excipients. Vegan, Vegetarian, and non-GMO.

Store sealed in a cool dry place. Keep out of reach of children. Use only if safety seal is intact. 

Warning: If you are pregnant or lactating, taking medication or have a medical condition, consult your healthcare practitioner before use.

Label directions

Mix 1 rounded teaspoon in juice or water daily, or as directed by your healthcare professional.

Product label and ingredient information for Vital Nutrients - Glycine Powder 4000mg Open original label

Source: Fullscript supplier catalog · September 06, 2026. Formulas and labels can change. Check the packaging you receive.

About Vital Nutrients - Glycine Powder 4000mg

Vital Nutrients Glycine Powder delivers 4,000 mg of pure glycine per serving in an unflavored, free-form powder format. Glycine is an amino acid that supports healthy sleep quality, cognitive function, and connective tissue integrity, making it a practical option for adults looking to increase daily glycine intake efficiently.

Why It's Worth Considering: Vital Nutrients is a practitioner-grade brand with rigorous third-party testing standards; the powder format allows flexible dosing and easy incorporation into water, smoothies, or other beverages.

Why Gabriel Recommends This

Quality & Trust Score: 90 Strong Evidence
Quality Verified
Vital Nutrients products are evaluated across 50+ quality signals including manufacturing standards, lab verification, and ingredient sourcing transparency.
Label details
Ingredient amounts and serving sizes are shown in the product label section when supplier information is available.
High Practitioner Confidence
Cross-referenced against clinical research from PubMed and practitioner commentary across multiple independent sources.
Manufacturing Standards
Vital Nutrients maintains GMP-certified manufacturing. Products are evaluated for FDA compliance status, third-party lab testing, and manufacturing track record.
Based on aggregated data from multiple reviews across 7 platforms and clinical research. How the Quality & Trust Score works →
Recommendation generated by Gabriel AI based on publicly available practitioner commentary and quality data. Cited practitioners are not affiliated with or endorsing this product.

How to Take

Mix 1 rounded teaspoon in juice or water daily, or as directed by your healthcare professional.

Who Benefits

Best For

  • Adults seeking glycine powder to support restful, quality sleep
  • Those looking to maintain healthy connective tissue with 4000mg glycine daily
  • Individuals supporting liver detoxification pathways with therapeutic-dose glycine
  • Practitioners protocols requiring high-dose glycine for cognitive calm and relaxation support

Cautions

  • Known allergy to any ingredient (check label)
  • Currently pregnant or breastfeeding (consult healthcare provider)
  • Taking prescription medications (check for interactions)
  • Under 18 years of age (unless recommended by pediatrician)

Frequently Asked Questions

  • Store in a cool, dry place away from direct sunlight. Most supplements are stable at room temperature (59-77°F). Keep the bottle sealed between uses. Check the label for any specific storage requirements, some probiotics and oils require refrigeration.

  • Most supplements can be taken together safely. However, some minerals compete for absorption (zinc and iron, calcium and magnesium) and should be taken at different times of day. If you're taking prescription medications, consult your healthcare provider about potential interactions.

  • Most supplements benefit from consistent daily use over 2-3 months to achieve full effect. Some (like vitamins and minerals) can be taken indefinitely as part of a daily routine. Others (like specific herbs) may benefit from cycling. Follow the product's recommended protocol or consult a practitioner.

  • Fat-soluble supplements (vitamins A, D, E, K, omega-3, CoQ10) should be taken with a meal containing fat. Water-soluble supplements (B vitamins, vitamin C) can be taken anytime. Minerals are generally best absorbed with food. Probiotics should be taken with or just before a meal. Check the product label for specific timing recommendations.

  • Track your specific health goals, energy levels, sleep quality, joint comfort, digestion, mood, etc. Most supplements take 2-8 weeks for noticeable effects. For objective measurement, baseline lab tests before starting (and repeat at 3 months) provide definitive evidence. The Gabriel Score incorporates clinical evidence for expected outcomes.

Real Reviews. Real Sources.

4.6
1172 reviews
5 star
75%
4 star
15%
3 star
5%
2 star
3%
1 star
2%
All (1172)
10 Clinical Research
iHerb
62 iHerb
Amazon
1078 Amazon
0 Practitioners
Reddit
2 Reddit
X
0 X
TikTok
0 TikTok
Instagram
0 Instagram
Substack
0 Substack
1.2K ratings aggregated across 4 sources · full-text reviews below
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Apotheca's Analysis · 50+ Signals Across 6 Dimensions
Practitioners broadly recommend glycine for mitochondria, autophagy, and glutathione; Reddit users report split outcomes with notable anxiety, insomnia, and mood side effects.
Sleep
55%
Longevity
82%
Mood
28%
Brain Health
58%
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Compatibility Guide

Compatibility Data Loading

Apotheca is analyzing ingredient interactions, stacking compatibility, and timing recommendations for Vital Nutrients - Glycine Powder 4000mg. This data will be available soon.

Research Behind This

Vital Nutrients Product Quality Assessment
Quality & Trust Score Analysis
This product has been evaluated across 50+ quality signals including third-party testing, manufacturing standards, ingredient sourcing, and clinical evidence. Vital Nutrients products are analyzed against our comprehensive database of practitioner-grade supplements.
Practitioner Network Endorsement Data
Apotheca Practitioner Intelligence
Vital Nutrients is referenced across our practitioner network of clinical recommendations, YouTube health channels, and professional forums. Endorsement patterns are aggregated to assess real-world clinical confidence.

Practitioner Insights

Who This Is For

✓ Great For

Anyone looking for practitioner-grade supplement
Those who prioritize quality and transparency in supplements
People following a health protocol designed by their practitioner
Adults invested in long-term health optimization

⚠ Important Notes

Always consult your healthcare provider before starting any supplement
Check for interactions with current medications
If pregnant or nursing, seek professional guidance first
Compare options using Apotheca's AI to find the best fit for your goals
Vital Nutrients is part of Gabriel's curated marketplace of practitioner-grade supplement brands. Every product from Vital Nutrients is evaluated across 50+ quality signals including manufacturing standards, ingredient sourcing, third-party testing, and clinical evidence.
Gabriel VerifiedQuality Analyzed

† These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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Vital Nutrients
Vital Nutrients - Glycine Powder 4000mg
90
Strong Evidence
Quality & Trust Score
Top-tier quality across all scoring pillars. Recommended with high confidence.
Last updated: September 08, 2026
Score Breakdown
Manufacturing & GMP
70
Lab Verification
78
Review Consensus
100
Practitioner Confidence
52.0
Community & Social
55
Transparency
68
Consumer & Practitioner Intelligence
★★★★☆ 4.6 from 1172 reviews across 4 sources
Clinical Research 30Amazon 1078iHerb 62Community 2+
Aggregated from verified purchases, practitioner clinical notes, and real-world outcome data
Scored across 50+ quality dimensions from 15+ independent databases. No brand can pay to influence their score. No sponsored rankings. Ever.
See how this product scores against your health profile · How the Quality & Trust Score works