Best Andrew Lessman Vitamin D in 2026

High-potency, bioactive vitamin D with vitamin K

Designed for patients with demonstrated increased nutritional needs for vitamin D*

Vitamin D promotes healthy bone formation and mineralization and supports immune and cardiovascular health*

High-potency, bioactive vitamin D with vitamin K

Provides 5,000 IU per softgel of vitamin D (as D3), designed for greater absorption

Includes bioavailable forms of vitamin K2 (menaquinone-7) to complement vitamin D

Supports bone, cardiovascular, and immune health*

Provides high-potency bioavailable vitamin D3 (325 mcg/5000 IU)

Available in easy-to-swallow softgels

Proprietary, patented vitamin C formula that features a buffered delivery system designed to help prevent the potential stomach upset sometimes associated with high vitamin C intake*

Supports healthy immune function and is a good source of antioxidants from vitamin C*

Each tablet contains 1,000 mg vitamin C

Isoflavone activated support formula

Supports healthy immune function, bone density, and overall health*

Delivers soy isoflavones—genistin may help facilitate the body’s utilization of vitamin D3*

This non-GMO and gluten-free product delivers vitamin D3 solubilized in oil to support absorption in the intestinal tract*

Supports bone, cardiovascular, and immune health*

2,275 servings | Designed for easy, flexible dosing

The package dimension of the product is 2.3"L x 2.3"W x 4.1"H

Country of origin is United States

During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.

Bioactive vitamin D in easy-to-swallow microtablet delivery form

Supports bone, cardiovascular, and immune health*

Delivers high levels of vitamin D to replenish vitamin D status*

Non-GMO & gluten-free product designed to provide a multiple mechanistic approach to support immune system health*

Provides 333 mg vitamin C, 8.3 mcg (333 IU) vitamin D, and 5 mg zinc per serving

Formula features Ultra Potent-C—developed for enhanced cellular uptake of vitamin C*

Non-GMO & gluten-free bone support featuring MCHC, a highly absorbable crystalline compound, and 50 mcg (2,000 IU) vitamin D*

MCHC is a source of calcium

MCHC also provides minerals and intact organic factors including collagen

Each MetaKids D3 Liquid dose provides 25 mcg (1,000 IU) vitamin D3

This product is non-GMO and gluten-free & supports bone and immune health*

Ideal for kids who prefer not to swallow tablets or capsules

Provides essential vitamins and minerals to nutritionally support healthy growth and development*

Each non-GMO & gluten-free serving contains 60 mg vitamin C, 2 mg vitamin B6, 75 mcg iodine, and 6 mg zinc

Provides 100 mg calcium and 7.5 mcg (300 IU) vitamin D to support bone, tooth, and immune health in growing children*

supports bone health

softgels

Ultra Potent-C is a proprietary, patented, stomach-friendly vitamin C formula containing 500 mg vitamin C that features a buffered delivery system designed to help prevent the potential stomach upset sometimes associated with high vitamin C intake*

Ultra Potent-C supports healthy immune function and is a good source of antioxidants from vitamin C*

Metagenics D3 10,000 + K is high-potency, bioactive vitamin D with vitamin K designed for people with demonstrated increased nutritional needs for vitamin D*

This brand-new product provides vegetarian, bioavailable vitamin D3 (62.5 mcg/2,500 IU).

Supports bone, cardiovascular, and immune health: Vitamin D is important for maintaining healthy bone structure and is an important nutritional factor in the proper mineralization of bones. Vitamin D sufficiency may contribute to cardiovascular health and function. Vitamin D is important for maintaining healthy immune function.

With only three ingredients, this small tablet can be either swallowed or chewed, as it has a neutral, slightly sweet taste.

Isoflavones aid in utilization of vitamin D3 for enhanced health benefits

Aids in maintaining healthy bone strength and immune function

Formerly Iso D3

This brand-new product provides vegetarian, bioavailable vitamin D3 (25 mcg/1,000 IU).

Supports bone, cardiovascular, and immune health: Vitamin D is important for maintaining healthy bone structure and is an important nutritional factor in the proper mineralization of bones. Vitamin D sufficiency may contribute to cardiovascular health and function. Vitamin D is important for maintaining healthy immune function.

Get 150 1,000 IU servings in a single bottle; this easy-to-use spray has a unflavored and neutral taste.

Each non-GMO, gluten-free, and vegetarian tablet contains 100 mg chasteberry fruit extract, 40 mg black cohosh root & rhizome extract, and 60 mg Ashwagandha root extract

Supports menstrual regularity and reproductive health*

Helps to ease menstrual cramps *

Immune Active provides high potency vitamin C and zinc and features quercetin, NAC, and EGCG to help support a healthy immune response and promote antioxidant processes.*

Proprietary, patented vitamin C formula that features a buffered delivery system designed to help prevent the potential stomach upset sometimes associated with high vitamin C intake*

Supports healthy immune function and is a good source of antioxidants from vitamin C*

Immune Active provides high potency vitamin C and zinc and features quercetin, NAC, and EGCG to help support a healthy immune response and promote antioxidant processes.*

In addition to high-potency vitamin C and zinc, Immune Active offers additional key nutrients to support immune health all in one formula.*

Featuring 150 mg EGCG (as decaffeinated+ green tea leaf extract) per serving. EGCG is categorized as a flavonoid polyphenol, a compound typically found in plants. Polyphenols can help promote antioxidant processes in the body.*

Each non-GMO, gluten-free, and vegetarian tablet contains 17 mg of zinc from zinc-carnosine

High-potency zinc-carnosine complex is formulated to provide relief of minor stomach discomfort*

Zinc-carnosine supports the healthy ecology and integrity of the stomach lining*