Buy multivitamins and multimineral online at Nature’s Source and get free shipping*. We carry multivitamins and minerals from some of the following brands: Hubner, Preferred Nutrition, Natural Vitality, AOR and many more. Our mineral supplements come in multimineral capsules, liquid and gel form. A deficiency in multi-minerals can include muscle cramping, bloating, fatigue and a weak immune system, but this can also vary depending on which multi mega minerals you are lacking (calcium, iron, potassium, magnesium and zinc). Multimineral help reduce wrinkles, promote healthier hair and nails, increase energy and help immune function.