In particular, lead occurs everywhere that calcium occurs because of chemical similarities between lead and calcium. Food manufacturers and dietary supplement manufacturers use good manufacturing practices to avoid adding any lead to foods or supplements. Since lead is naturally present in the earth's soil, water and atmosphere, removing it entirely is impossible. Calcium is critical for maintaining good health and protecting against osteoporosis, a disease that affects 28 million Americans. Consumers should continue to take the recommended amount of calcium daily.
Calcium acts as a lead inhibitor to dramatically reduce the body's absorption of lead.
The FDA's position has been to reassure consumers that there is no risk associated with products now on the market that meet current federal standards. Liver has been used by athletes for strength and endurance for a long time. Bodybuilder Vince Cironda became famous for his advocacy of liver supplements for bodybuilding, citing a study where rats whose diet was supplemented with liver for two weeks survived a swimming test in ice-cold water far longer than the control group. This indicates an increase in stamina, heat, and just plain 'ol strength. We have desiccated liver tablets, as well as Enzymatic Therapy Liquid Liver and TwinLab Predigested Liver Aminos.