MegaFood Vitamin D3 1000 IU (25 mcg) – Vitamin D Supplements with Real Food, Immune Support, Supports Bones, Teeth & Muscles, Vegetarian, Gluten-Free, Non-GMO, Kosher – 60 Tablets, 60 Servings

Customers find this vitamin D supplement effective and appreciate that it's made with whole food ingredients, with one customer noting it helps fend off Coronavirus. Moreover, the product maintains normal vitamin D levels and has no side effects. However, the pill size receives mixed feedback, with several customers finding it extremely large and difficult to swallow. Additionally, opinions about the vegetarian nature of the product are mixed, with some confirming it's vegetarian while others disagree.