Doctor’s Best Pure Collagen Types 1 and 3 contains pure collagen protein, which contribute to the growth and maintenance of healthy tissues. Collagen is the structural protein essential for the strength of bones and flexibility of joints, tendons, ligaments, hair, skin, nails, and other tissues throughout the body. Collagen Types 1 and 3 Powder is enzymatically hydrolyzed into component peptides with a small molecular size for optimal absorption and utilization by the body.

Serrapeptase (serratio-peptidase) is a protein-digesting enzyme isolated from the friendly bacterium Serratia E-15 discovered in the Japanese silkworm, and has been used as a nutritional supplement in Europe and Asia for over three decades. It helps support healthy sinuses and also helps to breakdown unwanted proteins. Doctor’s Best Serrapeptase 40,000 SPU is formulated with Serrateric™, a superior alternative to enteric coating that protects the individual enzyme until it reaches the intestine for optimal absorption.

Genius Estrogen Balance can serve as an anti-estrogen aromatase inhibitor to help men pursuing a leaner physique, while also providing support for hot flashes and menopause relief for women.* 100% natural, vegan, and made in the USA without added sugar, artificial additives, gluten, GMOs, or proprietary blends. Serving size 1 capsule, 30 servings per container.

Serious Mass is the ultimate muscle building and weight gain formula. With 1,250 calories per 2-scoop serving and 50 grams of protein to support muscle recovery, this powder makes the ideal post-workout and between meals shake for sizing up your goals. SERIOUS MASS provides you with the tools you need to support your weight gains goals.

Your high-potency, comprehensive multivitamin to fully support the nutritional needs of serious training athletes. Each pack contains 60+ key, highly-absorbable nutrients to cover all bases, and to keep your body functioning at its optimum level.