NaturaCore Magnesium Glycinate 400mg Review (2026): We Took It for 30 Days
Updated: July 18, 2026 — By the Supplement24Hours editorial team
What it is
NaturaCore Magnesium Glycinate 400mg delivers magnesium bound to the amino acid glycine — a chelated form chosen for two reasons: it is absorbed more completely than magnesium oxide, and glycine itself is studied for its calming role in the nervous system. Each two-tablet serving provides 400 mg of elemental magnesium, about 95% of the Daily Value.
Label analysis
The label passes the three checks we apply to every magnesium product. First, it states the elemental magnesium amount, not the total chelate weight — a common trick elsewhere. Second, the form is fully spelled out as magnesium bisglycinate chelate. Third, the bottle carries a lot number and a third-party certificate of analysis reachable from the brand's site. There are no proprietary blends and no unnecessary additives beyond the tablet base.
Our 30-day experience
Two members of our editorial team took the full serving about an hour before bed for 30 nights. The consistent observation was not sedation — magnesium is not a sleeping pill — but fewer nighttime wake-ups and a noticeably easier time winding down, which matches what the research on magnesium and sleep quality suggests. Neither tester experienced the digestive urgency that citrate and oxide forms often cause; this is where glycinate clearly earns its reputation as the gentle form.
Pros and cons
- Chelated, high-absorption form with published third-party testing
- Full 400 mg elemental dose in one serving
- Stomach-friendly — suitable for people sensitive to citrate or oxide
- 180 tablets per bottle: a 90-day supply at the full dose
- Tablets are mid-sized; people who dislike swallowing pills may prefer a powder
- Costs more per bottle than basic magnesium oxide (though less per absorbed milligram)
Who should buy it
Choose this product if your goal is nighttime relaxation, muscle comfort after training, or simply closing a dietary magnesium gap without digestive side effects. If your main goal is occasional constipation relief, citrate is the better tool — we compare both in Magnesium Glycinate vs Citrate.
FAQ
When should I take magnesium glycinate?
Most people take it 30–60 minutes before bed. It can be taken with or without food; taking it with a light snack further reduces any chance of stomach upset.
Can I take it every day?
Daily use at the labeled dose is how magnesium is meant to be used, since the body does not store large reserves. Stay within the label unless your healthcare provider advises otherwise, and check with them first if you have kidney disease or take medication.
How long until I notice better sleep?
Give it two to four weeks of consistent use. Magnesium restores a nutritional baseline rather than forcing sleep, so the effect builds gradually.
