Progressive Laboratories

Organo Iodine Drops by Progressive LaboratoriesLiquid iodine supplement. Iodine is needed in trace amounts for healthy thyroid function. Iodine (from Potassium iodide)Other IngredientsPurified...

Pantothenic 500 by Progressive Laboratories Pantothenic acid is particularly important for support of optimum adrenal function. Deficiency results in adrenal atrophy, characterized by fatigue,...

Calcium Lactate supports absorption of calcium and magnesium. Highly soluble form of calcium from a nondairy source.Contains a 5:1 ratio of calcium and magnesium.Provides additional support for...

Testosterzone By Progressive Laboratoriesas Men Grow Older, Many Find It Tough To Maintain A Physical And Mental Edge. In Fact, Even "Low Normal" Serum Total Testosterone Concentrations May Be...