Powder · 180 g
Serving Size: 1 scoop (3g)
Amount Per Serving
Magnesium … 120mg
(as Magnesium Glycinate)
ConcenTrace Trace Mineral Complex … 50mg
Other Ingredients: Citric Acid, steviol glycosides, natural concord grape flavor, Exberry Shade Grape (for color), silicon dioxide.
This product does not carry specific warnings on the label.
Mix 1 scoop (3 grams) with 2-8 oz of water daily. Due to the calming effcts of magnesium, we recommend taking it 30-60 minutes before bedtime. Additional servings may be taken if desired, but excessive magnesium intake may cause a laxative effct. Minor crystallization may occur, but this does not affect product quality.
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Source: Fullscript supplier catalog · September 06, 2026. Formulas and labels can change. Check the packaging you receive.
Trace Minerals Research Magnesium Glycinate Powder in Grape flavor delivers magnesium in its glycinate form, a chelated compound recognized for its ease of digestion and absorption compared to some other magnesium salts. This powdered format supports muscle relaxation, restful sleep, and everyday stress management for adults who prefer a drink-mix delivery over capsules.
Why It's Worth Considering: The glycinate chelate form is gentler on the GI tract, making it a practical choice for those who experience digestive sensitivity with other magnesium forms, and the powder format allows flexible dosing.
Mix 1 scoop (3 grams) with 2-8 oz of water daily. Due to the calming effcts of magnesium, we recommend taking it 30-60 minutes before bedtime. Additional servings may be taken if desired, but excessive magnesium intake may cause a laxative effct. Minor crystallization may occur, but this does not affect product quality.
| Feature | Glycinate | Citrate | Oxide | L-Threonate | Taurate |
|---|---|---|---|---|---|
| Bioavailability | High (chelated) | Moderate-High | Low (4-5%) | Moderate | Moderate-High |
| Best For | Sleep, anxiety, cramps | Constipation, general | Budget (low absorption) | Cognitive function | Heart health |
| GI Tolerance | Excellent | Moderate | Poor (laxative) | Good | Good |
| Laxative Effect | None | Mild–Moderate | Strong | None | None |
| Evidence | Strong | Strong | Weak | Emerging | Moderate |
Magnesium glycinate (bisglycinate chelate) is widely considered the best form for sleep, anxiety, and muscle cramps due to high bioavailability and zero laxative effect. Citrate is better for constipation. Threonate may be superior for cognitive function as it crosses the blood-brain barrier. Oxide has only 4-5% absorption and is primarily a laxative.
No. Unlike magnesium citrate and oxide which draw water into the intestines (osmotic laxative effect), glycinate is chelated and absorbed through a different pathway that does not affect GI motility. It is the most GI-friendly magnesium form available.
Take 1-2 hours before bed for sleep benefits. The glycine component promotes relaxation via GABA receptor activity. For general supplementation, any time works, glycinate does not require food for absorption.
Standard blood tests (serum magnesium) are unreliable, only 1% of body magnesium is in the blood. Signs include muscle cramps, poor sleep, anxiety, eye twitches, chocolate cravings, and headaches. Since 80%+ of adults are suboptimal, supplementation is generally recommended.
Yes, but separate from zinc, calcium, and iron by 2+ hours (they compete for absorption). Magnesium pairs well with Vitamin D3, K2, and B6 taken together.
The RDA is 310-420mg/day for adults. Most functional medicine practitioners recommend 400-600mg for therapeutic benefit. Start with the product's recommended dose and adjust based on response.
† 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.
