Amazon Elements Vitamin D3, 125 mcg (5000 IU), 180 Softgels

Customers find this vitamin D supplement effective, noting significant health improvements and immune system benefits, with one customer reporting noticeable results within two weeks of use. The supplement is easy to swallow, comes in convenient small capsules, and doesn't leave an unpleasant aftertaste. They appreciate the dosage, with one mentioning it's equivalent to 7 pieces of chocolate cake, and consider it good value for money. However, customers report issues with adhesiveness, as the capsules tend to stick together.