Vitamin D, in its D3 form, is more potent and better absorbed form than its D2 form. Thorne’s vitamin D supplements contain no lactose and no preservatives.

Berberine is a natural plant alkaloid offering multiple health benefits*. Key nutritional features include maintaining already healthy cholesterol and blood sugar levels, promoting GI microbial balance, and supporting healthy metabolism.*

A low level of vitamin D is linked to various health risks. This at-home blood test will provide health insights by measuring your level of vitamin D. Results include a personalized health plan.

Zinc supports general wellness, promotes healthy connective tissue, and helps maintain eye and reproductive health.*

Vitamin C, with bioflavonoids from oranges, optimizes the beneficial effects of vitamin C by replicating the way it's found in nature – in the presence of flavonoids.*

Thorne’s Immune Support Bundle contains three products that provide comprehensive immune support – Vitamin D Liquid, Zinc Picolinate 30mg, and Vitamin C with Flavonoids.

Buffered C Powder makes it easier for individuals with a sensitive or compromised digestive system to take a higher amount of vitamin C. It also provides calcium, magnesium, and potassium.

Vitamin D3 in liquid form to provide easy, accurate, and personalized supplementation of vitamin D, an important nutrient for all stages of life.

Vitamin D + K2 Liquid promotes bone health, healthy immune function, and cardiovascular health.* The combination of vitamin D3 and K2 provides greater benefits together than either does individually.

Complement your day with 28 powerhouse ingredients that promote physical endurance, cognitive performance, and cellular energy production, while also providing antioxidants, so you can feel vibrant today and for years to come.*