Magnesium Citrate Capsules | Biocare (90). Magnesium Citrate is a potent supplement of magnesium that is easily absorbed and used by the body. It provides 100mg of elemental magnesium per capsule and is suitable for everyday use.. Magnesium Citrate is an optimally absorbed form of magnesium for energy, mental health & wellbeing, bone & muscle support. Effective - supports energy, muscle function mental health and wellbeing, reduction of tiredness and fatigue, and the maintenance of normal bones and muscle. Optimum support - magnesium is a key mineral and is essential for many vital enzymatic processes in the body. Advanced - magnesium is provided in a citrate form for optimum absorption and use by the body. Flexible - easy to swallow capsules allowing convenience and splitting dose throughout the day ensures maximum efficacy. No unnecessary additives and the citric acid is citrus-free. Environmentally friendly - recyclable packaging. Trusted - we've been helping to shape a healthier society for over 30 years. Suitable for vegetarians & vegans. 30 days' supply at 3 capsules per day