Magnesium Ascorbate, 100 Capsules
100 Capsules
May be a fit for
- Adults seeking magnesium ascorbate's buffered, gentle vitamin C delivery
- Individuals supporting magnesium status with a low-acidity ascorbate form
- Practitioners protocols requiring dual magnesium and vitamin C repletion
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Magnesium Ascorbate from Allergy Research Group is a buffered, mineral-bound form of vitamin C that pairs ascorbic acid with magnesium to support immune function, antioxidant defenses, and connective tissue maintenance. As a fully reacted ascorbate salt, it delivers vitamin C in a gentler, non-acidic form well-suited for those with sensitive digestive systems or high-dose vitamin C needs.
Why It's Worth Considering: Allergy Research Group formulates for clinically oriented practitioners, and this buffered delivery avoids the gastrointestinal discomfort that acidic ascorbic acid can cause, while contributing a meaningful amount of elemental magnesium alongside the vitamin C.
Allergy Research Group · 100 CapsulesMake it part of your routine.
Take 1 or 2 capsules one to three times daily between meals, or as directed by a healthcare practitioner.
Important cautions & interactions
Product details
Supplement facts & complete label
Supplement Facts — Serving size: 2 capsules. Servings per container: 50.
Vitamin C (as magnesium ascorbate): 1,000 mg. Magnesium (as magnesium ascorbate): 70 mg.
Other ingredients: hydroxypropyl methylcellulose, microcrystalline cellulose, L-leucine.
Label directions
Take 1 or 2 capsules one to three times daily between meals, or as directed by a healthcare practitioner.
Label cautions
Keep in a cool, dry place, tightly capped. Keep out of reach of children.
Source: authorized supplier exact-SKU catalog label · September 06, 2026. Formulas and labels can change. Check the packaging you receive.
Who it may suit
May be a fit for
- Adults seeking magnesium ascorbate's buffered, gentle vitamin C delivery
- Individuals supporting magnesium status with a low-acidity ascorbate form
- Practitioners protocols requiring dual magnesium and vitamin C repletion
- Those with sensitive digestion benefiting from non-acidic ascorbate supplementation
Considerations
- Severe kidney disease (impaired Mg excretion)
- Taking antibiotics — separate by 2+ hours
- Myasthenia gravis
- Already taking high-dose magnesium from another source
Compatibility & interactions
Works Well With
Take Separately From
What to expect over time
Sleep Improvement
Faster sleep onset, deeper REM
Cramp Relief
Reduced nighttime cramps and muscle tension
Mood & Calm
Lower baseline anxiety, improved stress resilience
Serum Optimization
Measurable RBC magnesium improvement
Based on clinical research on magnesium supplementation. Effects are cumulative with consistent daily use.
Compare the options
Compare Magnesium Forms
Which form is right for you?
| 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 |
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A few useful answers.
Research & further reading
More category questions
What is the best form of magnesium to take?
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.
Does magnesium glycinate cause diarrhea?
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.
When is the best time to take magnesium?
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.
How do I know if I am magnesium deficient?
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.
Can I take magnesium with other supplements?
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.
How much magnesium should I take daily?
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.
Supplement information is provided for education and is not a substitute for personalized medical advice. Supplements are not intended to diagnose, treat, cure or prevent disease. Read the current product label before use.