Juice Supplements Juice boosters or supplements can be added to you juice for greater nutritional value. Boosters or supplements can be added to your drink to bring about specific health benefits. The supplements like spirulina, wheatgrass and aloe vera are concentrated sources of the vitamins and minerals essential to good health and speedy recovery. Add them to your  juices  for  maximum  nutritional benefits.  Learn how to add probiotics, hemp protien, essential oils to your juice to make it  even healthier.  Juice supplements Wheat grass juicing made simple Aloe vera in my juice Spirulina Sign up for a free juicing by colors guide