Frequently Asked Questions
Bisglycinate is chelated — the magnesium is bound to two glycine molecules which dramatically improves absorption. It has approximately 80% bioavailability compared to only 4% for magnesium oxide and around 12% for magnesium citrate. It's also significantly gentler on the gut, so you won't get the laxative effect that cheaper magnesium forms are known for.
Magnesium is involved in over 300 enzymatic reactions — including energy production, muscle contraction and relaxation, nerve signalling, protein synthesis, blood glucose regulation, and sleep. It's one of the most commonly deficient minerals in modern diets due to depleted soils and processed food. Most people are running low without knowing it.
The active compound and benefits are identical in both forms. Capsules are convenient and pre-dosed for daily use; powder allows more flexible dosing and can be mixed into water, juice, or a warm drink before bed. The powder has a very mild, slightly sweet taste due to the glycine and dissolves easily. Standard dose is 200–400mg of elemental magnesium per day — take 1–2 capsules or the equivalent powder serving. Start at the lower end and increase gradually.
Yes to all three. Magnesium activates the parasympathetic nervous system (rest-and-digest mode), lowers cortisol, and supports GABA — the brain's primary calming neurotransmitter — making it highly effective for sleep onset and quality when taken 30–60 minutes before bed. For anxiety, clinical evidence supports magnesium reducing stress reactivity in deficient individuals. For muscle cramps and restless legs, magnesium regulates calcium influx into muscle cells — consistent supplementation typically reduces cramp frequency within 2–4 weeks.
Yes — bisglycinate is one of the safest and best-tolerated forms of magnesium for indefinite daily use. The glycine it's bound to has its own calming and anti-inflammatory benefits. It stacks well with Zinc and Vitamin D3 for bone and immune health, or with Ashwagandha, L-Theanine, and Valerian for a comprehensive stress and sleep support stack. The safe upper limit for supplemental magnesium is 350mg elemental magnesium per day for adults.

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