Osterly Market Magnesium Glycinate with Zinc

Elemental magnesium and elemental zinc, both printed.

Magnesium glycinate with zinc, both stated as elemental amounts rather than compound weights.

What it's for

Magnesium glycinate is magnesium bound to the amino acid glycine, which makes it gentle on the stomach and easy to absorb. Glycine itself is mildly calming, which is part of why this form has a reputation for evening use. Zinc is added here for immune and enzyme function; the two are combined often enough that a single capsule is convenient.

How to take it

• One serving daily, evening suits it best
• With or without food
• Effects on things like muscle cramps or sleep quality build over two to four weeks
• Magnesium and zinc both compete with other minerals for absorption — keep them apart from iron and calcium supplements by a couple of hours

On the label

• Elemental magnesium stated
• Elemental zinc stated
• Glycinate form
• 120 capsules

What this is not

• Not citrate — this will not loosen you up
• Not labelled by compound weight
• Not a sleep aid, though evening suits it

The straight answer

Glycinate is chosen here for tolerance, not for cost. It is the form that does not send you to the bathroom, which is why it costs more than citrate.

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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. Talk to your doctor before starting any supplement, especially if you are pregnant, nursing, or taking prescription medication.