SISU Magnesium Bisglycinate

Magnesium bisglycinate binds magnesium to the amino acid glycine and is commonly chosen for good gastrointestinal tolerance. Magnesium oxide contains a higher proportion of elemental magnesium by weight, but it is more likely to have a laxative effect for some people.

The amount depends on the exact SISU bottle and regional formulation, so the Supplement Facts panel is the reliable source. The listed milligrams should refer to elemental magnesium, not the total weight of the magnesium bisglycinate compound.

Many people take magnesium in the evening because it fits their routine, but the mineral is not a sedative and timing is not universally important. It should be taken according to the label, especially if other supplements already contain magnesium.

Magnesium can reduce absorption of medicines including certain antibiotics and levothyroxine when taken too close together. Anyone using prescription medication, or anyone with impaired kidney function, should ask a pharmacist or physician about dose spacing and suitability.