These supplements typically contain vitamin D2, which is derived from plant sources, rather than vitamin D3, which is derived from animal sources. When choosing the best vegan vitamin D supplement ...

“Unlike vitamin D3, which is obtained from animal sources, vitamin D2 is synthesized by irradiating ergosterol found in these plant-based organisms. It’s commonly used as a vegan or vegetarian ...

However, Pure Encapsulations also offers a lower dose vegan-friendly alternative, which is made with vitamin D3 sourced from algae. Why we chose it: We also like this high dose vitamin D from NOW ...