Best Sellers

Why B Complex? Containing Vitamins B6 and B12, B Complex provides a full-complement of essential nutrients in high potency amounts. Inclusion of L-5-methyltetrahydrofolate (L-5-MTHF, a bioactive form of folate), ensures more immediate effects on...

Why Chelated Magnesium Plus? Magnesium plays an important role in regulating the neuromuscular activity of the heart; maintains normal heart rhythm; necessary for proper calcium & Vitamin C metabolism; converts blood sugar into energy. It is a...

GLUTATHIONE, a naturally occurring protein, is called a peptide. It is composed of three amino acids: glycine, glutamine and cysteine. Cysteine contains sulfur and gives glutathione its sulfuric aroma. It also plays a major role in glutathione's...

Supports immune system and collagen production Contains phospholipids which maximize Vitamin C absorption Corn and gluten free 30 packets per container Why Lypo-Spheric Vitamin C? Vitamin C is important for aiding correct growth and development of the...

Why Melatonin? Melatonin 20 mg promotes healthy angiogenesis balance, immune function and antioxidant activity to provide high capacity cellular support for tissues including the colon, breast, prostate and lungs. How does Melatonin aid your...

* A Riordan Clinic Best Seller *    Melatonin is a powerful hormone secreted by the pineal gland located in the brain. Its secretion is stimulated by the dark and inhibited by light, and it aids in the regulation of the body's circadian rhythm,...

Natural Vitality's Calm Gummies are delicious, fruit-flavored chewables that promote healthy magnesium levels and help balance calcium so you and your family can feel relaxed and calm. They feature the same easily-absorbable magnesium found in our...

Probiotic Complex is formulated with Saccharomyces boulardii, a proven potentiator for good bacteria that removes pathogens from the gut. This action enables a more effective probiotic presence, encouraging a healthy environment for vitamin uptake and...

ProDHA from Nordic Naturals is a high-potency formula perfect for children, teenagers, and pregnant women.  Although the omega-3s EPA and DHA occur naturally together in fish oil and work together in the body, research shows that each fatty acid has...

The key component of Sufficient C is a GMO-free, high quality ascorbic acid. We say key component because the body fundamentally needs adequate Vitamin C levels for the immune system to function properly, and those Vitamin C levels can only be maintained...

Theracurmin is a novel preparation of turmeric that utilizes patented, colloidal dispersion technology to enhance bioavailability and dramatically increase curcumin levels in the blood. Unlike other forms of curcumin, Theracurmin is water-dispersible,...

Why Trace Minerals? In order to maintain ideal health you must acquire a sufficient mineral levels. However, it can be an everyday challenge to consume every mineral that your body needs. In fact, many diets may not support certain mineral intake. When...

Wondering if you get enough Vitamin C through diet and/or nutrient supplements? VitaChek-C strips have been exclusively created by Riordan Clinic for in vitro measurement of urine Vitamin C. Each bottle contains 50 test strips. Start by testing early in...

Why Vitamin D 5,000? Vitamin D improves absorption and utilization of Calcium and Phosphorus. It is required for bone and teeth formation, maintaining a stable nervous system and normal heart action. Vitamin D is well known for the role it plays in...

The privately formulated Riordan Clinic D3/K2 supplement combines the amazing healing capacity and safety of Vitamin D and vitamin K into the convenience of one capsule to support optimal bone health. Why Vitamin D3/K2 Capsules? Vitamin K is...