Spleen PMG contains bovine spleen PMG extract, a proprietary Protomorphogen blend. PMGs contain a unique profile of nucleotides and peptides from bovine spleen. Nutrients & Ingredients Each Serving Size (1 Tablet) contains: Sodium 10 mg. Proprietary Blend 380 mg: Calcium lactate, bovine spleen PMG extract, and magnesium citrate. Other Ingredients: Cellulose and calcium stearate. * These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. ♱ Claims based on traditional homeopathic practice, not accepted medical evidence. Not FDA evaluated.