Bluebonnet Vitamin D3 2000IU 50mcg Strong Bones & Immune Support Supplement – Liquid Vitamins for Women & Men – Lanolin Vit D Drops with MCT Oil – Non-GMO, Vegetarian – Citrus Flavor – 1 Fl Oz

Customers find this vitamin D supplement effective, saying it's better than pills, and appreciate its nice flavor and ease of use, particularly noting it's easy to add to food. The dosage receives mixed feedback, with one customer mentioning it's hard to control how much comes out of the bottle.