Smarter Nutrition Curcumin is a popular supplement, and as a bonus, it might just be vegan-friendly. It comes in a liquid veggie softgel that is free from any animal derivatives and completely fit for vegan consumption.  Not only does this ensure that you’re getting the best quality product available, it also shows that Smarter Nutrition is staying true to their word when they attribute ‘vegan’ to any of their products.