 American Biologics American Biologics is a highly regarded nutritional supplement company known for its line of science-based high-quality nutritional supplements. American Biologics believes in making informed health and life choices and are serious about targeted nutrition. Some popular products from American Biologics include Adrenal Cortex. Supplementing with pure adrenal cortex tissue has been considered by healthcare professionals worldwide as crucial for healthy adrenal function and to help in normalizing the body's immune and stress responses. Beta-carotene 25,000 IU. A natural source of beta-carotene derived from cold water algae. Reportedly, beta-carotene is a safer alternative to regular vitamin A because it does not accumulate to cause toxicity in the body. Lithium in a biologically active vegetable culture. Lithium may be beneficial in regulating neurotransmitter balance and may also contribute to liver support. If you have questions about American Biologics or any other brand the Professional Supplement Center carries, please call, visit, or email us and one of our knowledgeable staff members will be happy to assist you.