Have you ever noticed both magnesium and manganese written on the food labels and wondered if they were the same thing? If yes, then you're not alone. Their similar names confuse many but these two essential minerals serve very different roles in the body, and mixing them up could lead to nutritional imbalances or even toxicity.So What Differentiates Magnesium From Manganese? The first key difference lies in how much of each your body needs. Magnesium is considered a macromineral, which implies that it is required in relatively large quantities—around 420 milligrams per day for adults. In contrast, manganese is a micromineral or trace mineral, with the recommended daily intake being just 2.3 milligrams. This stark contrast makes accurate dosing crucial, particularly when supplements are involved. Overconsumption of this mineral can lead to toxicity or other health conditions. Magnesium plays a foundational role in over 300 enzyme systems in the body. These enzymes are involved in vital processes such as protein synthesis, muscle and nerve function, blood sugar regulation, and blood pressure control. It is also essential for the formation of DNA, RNA, and glutathione, as well as for energy production and maintaining heart rhythm through the proper movement of potassium and calcium across cell membranes. Essentially, magnesium is deeply involved in nearly every system in the body. How To Get These Nutrients?To ensure you're getting enough magnesium, aim for a diet rich in fibre. Foods such as leafy green vegetables, legumes, nuts, seeds, and whole grains are excellent sources. Even certain types of water—like mineral or tap water—can contribute to your magnesium intake.Manganese, though needed in much smaller amounts, is no less important. This trace mineral supports several key functions, acting as a cofactor for enzymes like manganese superoxide dismutase, arginase, and pyruvate carboxylase. It plays a role in metabolising amino acids, cholesterol, carbohydrates, and glucose. Additionally, manganese is involved in bone formation, immune responses, and reproductive health. Notably, it also helps with blood clotting when working in tandem with vitamin K.Word Of Caution: Some Food Inhibit Manganese AbsorptionYou can find manganese in many of the same foods that contain magnesium—leafy greens, legumes, nuts, and whole grains—as well as in teas. However, its absorption can be inhibited by certain compounds like phytic acid and oxalic acid, which are found in foods such as beans, spinach, and soy products. Even tannins in tea can slightly reduce how well your body absorbs manganese.While both minerals are vital, they are not interchangeable. Taking the wrong supplement or misjudging your dietary needs may mean missing out on the specific health benefits each mineral provides—or worse, consuming a toxic dose.As with most nutrients, it is best to meet your mineral needs through a varied and balanced diet. Supplements can help in cases of deficiency, but should be used with caution and ideally under the guidance of a healthcare professional.ALSO READ: India gets first-of-its-kind tech that tracks cancer tumours in real-time