Metagenics Zinc A.G. – Highly Absorbable Zinc with Arginine & Glycine Chelates – Supports Immune Function, Bone Health, Skin & Energy Metabolism – Non-GMO & Gluten-Free – 60 Tablets

Customers find this zinc supplement to be of high quality and effective, with one noting it keeps their immune system in good shape. The product is highly absorbable and gentle on the digestive system, with customers reporting it doesn't cause stomach upset. However, customers have mixed experiences with the product's durability, with some reporting that the tablets crumble.