About Magnesium
Magnesium is a cofactor in over 300 enzymatic reactions, including ATP production, protein synthesis, DNA repair, and glucose metabolism. It regulates nerve and muscle function, blood pressure, and is required for the activation of vitamin D. Seeds (pumpkin, hemp, sunflower), dark chocolate, leafy greens, legumes, wholegrains, and nuts are excellent plant sources.
Subclinical deficiency is common — symptoms include muscle cramps and twitches, poor sleep, anxiety, fatigue, headaches, and palpitations. Chronic low intake is associated with hypertension, type 2 diabetes, and osteoporosis. Excessive alcohol, stress, and diuretics all deplete magnesium.
From food, toxicity is not known. High-dose supplement use can cause diarrhoea and GI cramping — magnesium is used therapeutically as a laxative. Very high doses from supplements can cause low blood pressure and, rarely, cardiac toxicity. The upper limit for supplemental magnesium is 250 mg/day in the EU.
Daily Reference Intake
per European Regulation 1169/2011
= 184% of daily NRV
used in our database
Foods Containing Magnesium
1041 foods with recorded data, ranked highest first. Showing 901–1,000 of 1,041. Values per 100g fresh weight.
* Values are per 100g fresh weight. % NRV = percentage of EU Nutrient Reference Value. Bar shows relative level compared to the highest value across all foods in the database.