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Our mineral supplements use the most bioavailable forms at doses confirmed by clinical research. Magnesium Citrate, Calcium Citrate, Zinc Citrate, Selenium and combination formulas where the evidence supports synergistic dosing.
Magnesium Citrate is among the most bioavailable and well-tolerated forms of magnesium. Clinical comparisons show it achieves significantly higher serum magnesium levels than Magnesium Oxide at the same elemental dose, with lower rates of gastrointestinal discomfort.
Calcium Citrate is the clinically preferred form for most adults. Unlike Calcium Carbonate, it absorbs effectively without food or stomach acid, making it the better choice for anyone taking a calcium supplement between meals or using acid-reducing medication.
Clinical studies supporting immune function, testosterone levels, and skin health typically use 15-30mg of elemental zinc per day. ETERNIA's Zinc 25mg provides 25mg of elemental zinc as Zinc Citrate, one of the most bioavailable organic zinc forms available.
Yes, magnesium and calcium can be taken together. In fact, ETERNIA's Cal-Mag-Zinc formula combines both in a ratio that reflects clinical guidance. Some research suggests taking calcium and magnesium a few hours apart may optimise absorption for each, but combination products at appropriate doses are generally well-tolerated.
