- Magnesium glycinate is magnesium bound to the amino acid glycine — this pairing dramatically improves absorption and makes it exceptionally gentle on the stomach
- Unlike magnesium oxide (poorly absorbed) or citrate (laxative effect), glycinate is ideal for daily, long-term use
- The glycine molecule itself supports sleep quality and nervous system calm, creating a dual-benefit supplement
The Absorption Problem
Walk down any supplement aisle and you'll find magnesium in at least five different forms. Magnesium oxide. Magnesium citrate. Magnesium chloride. Magnesium glycinate. They all say "magnesium" on the label — but they're not interchangeable.
Magnesium oxide is the most common and cheapest form. It contains a high percentage of elemental magnesium by weight, but your body absorbs very little of it. Most passes through your digestive system unabsorbed. Magnesium citrate is better absorbed, but draws water into the intestines, creating a laxative effect.
Magnesium glycinate solves both problems. By bonding magnesium to the amino acid glycine, the mineral is transported across the intestinal wall via amino acid pathways — meaning your body absorbs it efficiently without digestive distress.
Why Glycine Matters
The glycine molecule isn't just a delivery vehicle. Glycine is a neurotransmitter with calming properties that supports sleep quality and nervous system regulation. It acts on the same receptors in the brain targeted by certain sleep medications — but gently, and without dependency. This means magnesium glycinate offers a dual benefit: you get the magnesium your body needs, plus glycine's supportive effect on sleep and calm.
What the Research Says
Multiple clinical studies have demonstrated magnesium glycinate's superior bioavailability. A 2019 review published in Nutrients found that chelated forms of magnesium (including glycinate) consistently outperformed inorganic forms in absorption and tolerability. Research also supports magnesium's role in over 300 enzymatic reactions — from energy production to protein synthesis to blood pressure regulation.
Why Gummies?
The best magnesium supplement in the world is useless if you don't take it. Pill fatigue is real — especially for people already managing multiple supplements or medications. Gummies solve the adherence problem by making the daily dose something you might actually look forward to. Grunixwell's magnesium glycinate gummies combine the most bioavailable form of magnesium with a format that removes friction: no water needed, no swallowing large capsules, no aftertaste. Just two gummies, once a day.
What to Look For in a Magnesium Supplement
- The form: Glycinate or bisglycinate (they're the same thing)
- Elemental magnesium content: The label should clearly state how much actual magnesium you're getting per serving
- Third-party testing: Look for brands that publish their testing results, not just claims
- Minimal fillers: The fewer inactive ingredients, the better
Frequently Asked Questions
References
- 1. Gröber U, Schmidt J, Kisters K. "Magnesium in Prevention and Therapy." Nutrients. 2015;7(9):8199-8226.
- 2. Schuchardt JP, Hahn A. "Intestinal Absorption and Factors Influencing Bioavailability of Magnesium." Current Nutrition & Food Science. 2017.
- 3. Boyle NB, Lawton C, Dye L. "The Effects of Magnesium Supplementation on Subjective Anxiety and Stress." Nutrients. 2017;9(5):429.