NatureMade has been around since 1971 and claims to be the #1 pharmacist-recommended brand across nine product categories. Furthermore, NatureMade’s expert staff includes PhDs, registered dietitians, and naturopathic doctors.
Consumers can trust that these products are high quality and backed by science.
NatureMade Zinc is USP-verified for product potency and purity. It’s also a good option for anyone limited by cost.
One serving provides 30 mg of zinc gluconate. Adults should take 1 tablet per day with water and a meal, or as directed by a healthcare professional.
MegaFood is a Certified B Corporation that claims to meet rigorous social and environmental standards of performance, accountability, and transparency.
As an added benefit, MegaFood’s zinc supplement provides an immune-supporting phytonutrient blend composed of organic spinach, parsley leaf, carrot, broccoli, and beetroot.
While this product is tested for herbicides and pesticides, it is not third-party tested for purity and potency.