Best Thorne Research in 2026

Vitamin D3: Supports healthy teeth, bones, and muscles, as well as cardiovascular health and immune function

Optimal Absorption: Vitamin D3 is more potent and better absorbed than vitamin D2

No Lactose Or Preservatives: Thorne’s vitamin D supplements contain no lactose and no preservatives

Immune Support: Get the immune-supporting and antioxidant benefits of vitamin C combined with natural citrus flavonoids

Healthy Skin: Promotes collagen production, which enhances skin, nail, and hair health

Wound Healing: Collagen production, antioxidative properties, and immune support make vitamin C an important nutrient for supporting post-surgical healing and injury repair

Zinc: 30 mg of an optimally absorbed form of zinc to support general wellness, immune function, healthy skin and connective tissue, and eye health*

Immune Support: Zinc promotes the optimal functioning of the body’s immune response and promotes the activation of a type of white blood cell that helps moderate the body’s inflammatory response during times of immune stress*

Skin and Eyes: Zinc promotes healthy skin and eyes*

Vitamin D3: Supports healthy teeth, bones, and muscles, as well as cardiovascular health and immune function

Optimal Absorption: Vitamin D3 is more potent and better absorbed than vitamin D2

Nsf Certified: Supports high-performance nutrition programs and is NSF Certified for Sport

Vitamin D3: Supports healthy teeth, bones, and muscles, as well as cardiovascular health and immune function

Optimal Absorption: Vitamin D3 is more potent and better absorbed than vitamin D2

No Lactose Or Preservatives: Thorne’s vitamin D supplements contain no lactose and no preservatives

Nervous System: Promotes an optimally functioning nervous system and healthy nerve cells

Cellular Energy: B vitamins promote cellular energy production

Complete Formula: An optimal balance of eight B vitamins, plus choline, in their active form to enhance absorption in the body

Healthy Methylation: A breakthrough in active folate supplementation for healthy methylation*

Positivity: Supports a healthy outlook*

Nerves & Circulation: Supports healthy blood vessel and nerve function*

Optimal Wellness: Supplementing magnesium supports energy production, heart and lung function, and bone health, as well as the metabolism of sugars and other carbohydrates

Muscle Tenderness: Magnesium and malate (malic acid) provide support for individuals who have occasional painful muscles

Kidney Support: Magnesium and citrate support kidney function by helping to decrease the level of calcium oxalate and phosphate in the urine

Zinc: 15 mg of an optimally absorbed form of zinc to support general wellness, immune function, healthy skin and connective tissue, and eye health*

Immune Support: Zinc promotes the optimal functioning of the body’s immune response and promotes the activation of a type of white blood cell that helps moderate the body’s inflammatory response during times of immune stress*

Skin and Eyes: Zinc promotes healthy skin and eyes*

Thyroid Health: Selenium supports normal thyroid function in healthy individuals and is important for the proper functioning of the thyroid gland

Antioxidant: Because selenium is an antioxidant it helps reduce oxidative damage in the body caused by toxins, smoking, alcohol use, and stress. Selenium also promotes healthy skin, hair, and cognitive function

Essential Nutrient: Selenium is an essential nutrient to help maintain optimal health and wellness

Nervous System: Promotes an optimally functioning nervous system

Cellular Energy: B vitamins promote cellular energy production by supporting the conversion of carbohydrates into energy, as well as the optimal metabolism of fats and proteins

Complete Formula: An optimal balance of eight B vitamins with extra vitamin B12, plus choline, in their active forms to enhance absorption in the body

Methyl-B12: A form of vitamin B12 that is more readily used by the body*

Heart & Nerves: Supports heart health and nerve function*

Sleep: Helps maintain normal circadian rhythms to support restful sleep*

Mobility: Reduces joint stiffness*

Comfort: Promotes flexibility by providing relief from minor aches and muscle soreness*

Healthy Inflammatory Response: Helps maintain a healthy inflammatory response in the joints, muscles, GI tract, liver, brain, eyes, and nerves*

Stress Management: Supports the body’s natural ability to manage stress

Adrenal & Immune Support: Stress B-Complex contains an optimal balance of essential B vitamins, with extra vitamin B5, to support healthy adrenal function and immune function

Optimal Wellness: Although each B vitamin is distinct, they work synergistically in multiple functions throughout the body, including cellular energy production, healthy red blood cell formation, and healthy neurological function

Support for Indigestion: Benefits individuals who have occasional indigestion, food sensitivities, gallbladder removal, or who have overused antacids*

Comprehensive Formula: A blend of hydrochloric acid, pepsin, pancreatin, and ox bile

Promotes Digestion: Can help ease digestive discomfort that may occur after a meal heavy in fat or red meat, when enjoying foods that cause extra gas and bloating, or when partaking in an occasional overindulgence

Omega 3’s from Fish Oil: Super EPA provides two vital omega-3 fatty acids – EPA and DHA – that support a healthy heart and brain, healthy inflammatory response in muscles and joints, and healthy skin

Healthy Heart: Support for a healthy cardiovascular system – supports the health of blood vessels by promoting optimal blood flow and helping to maintain level of triglycerides that is already within a normal range*

Brain Support: Nutritional support for development and maintenance of healthy brain function*

Well-Absorbed Iron: Provides 36 mg of elemental iron per capsule in a well-absorbed, non-constipating form as iron bisgycinate, with vitamin C to enhance iron’s absorption

Nourish Your Blood: An optimal blood-building supplement that combines vitamin C, vitamin B6 (pyridoxal 5'-phosphate), vitamin B12 (methylcobalamin), and folate (L-5-MTHF) with iron Bisglycinate

Increase Iron Levels: An iron deficiency can manifest as weakness, fatigue, shortness of breath on exertion, dizziness, tinnitus, spots before the eyes, drowsiness, irritability, infrequent menses, and loss of libido

Wound Healing: Supports the healing of unhealthy skin by promoting collagen formation

Immune Health: Lysine’s nutritional support helps the body maintain its natural defenses and promotes healthy gum and lip tissues

Skin And Bone Health: Promotes collagen formation for healthy and elastic skin, while also promoting calcium absorption for strong bones and teeth

Healthy Methylation: Methyl-Guard Plus supports methylation and promotes a healthy level of homocysteine

Active Forms: Formulated with active folate (5-MTHF) and the active, tissue-ready forms of vitamins B2, B6, and B12 to optimize absorption

Cardiovascular Support: Providing the nutritional cofactors for optimal homocysteine metabolism supports cardiovascular health

Liver: Dual liver-protective benefits from milk thistle extract and phosphatidylcholine*

Detox: Helps maintain a normal level of glutathione, an important antioxidant for detoxification*

Optimal Absorption: Phytosome preparation provides optimal absorption and delivery to the liver*

Mixed Tocopherols: Contains all the natural forms of vitamin E

Optimal Purity: Molecular distillation removes allergenic soy residues, no soy oil added

Antioxidant: Recent studies indicate mixed tocopherols provide optimal antioxidant effect*

Healthy Methylation: A breakthrough in active folate supplementation for healthy methylation*

Positivity: Supports a healthy outlook*

Nerves & Circulation: Supports healthy blood vessel and nerve function*

New formula and now with one more serving per container (21 servings), mineral chelates from Albion Minerals, milk thistle, and mixed tocopherols

Contains curcumin phytosome, which is significantly better absorbed than a standardized (95%) curcumin extract

Provides milk thistle for added liver support, and grape seed phytosome for added antioxidant and vascular support

Vitamin C: Promotes optimal immune function and provides the highest amount of vitamin C in Thorne’s vitamin C suite

Healthy Skin: Promotes collagen production, which enhances skin, nail, and hair health

Wound Healing: Collagen production, antioxidative properties, and immune support make vitamin C an important nutrient for supporting post-surgical healing and injury repair

Zinc: 30 mg of an optimally absorbed form of zinc to support general wellness, immune function, healthy skin and connective tissue, and eye health*

Absorbable Zinc Capsules: Thorne's Zinc Bisglycinate is a highly absorbable form of zinc, perfect for supplementing your diet

Skin and Eyes: Zinc promotes healthy skin and eyes*

Support Cholesterol Health: Red Yeast rice helps maintain healthy cholesterol levels

Cardiovascular Support: Naturally occurring monacolins, phytosterols, and isoflavones help maintain healthy lipid levels, while also promoting healthy lipid particle size and number

Plus CoQ10: Choleast contains 15 mg of CoQ10 for added antioxidant support

Well-Absorbed Iron: Provides 25 mg of elemental iron per capsule in a non-constipating, well-absorbed form as iron bisglycinate

Fight Fatigue: Helps fight fatigue and other signs of an iron deficiency, which can manifest as weakness, shortness of breath, dizziness, tinnitus, drowsiness, irritability, infrequent menstruation, and loss of libido

Blood Building: An essential mineral for the formation of new red blood cells

For Mom and Baby: Pre-conception, pregnancy, and nursing are critical times to ensure a mother's health and nutritional support are being optimized. Thorne’s Basic Prenatal provides folate, choline, and 18 other nutrients that support health without the unnecessary additives in mainstream prenatals

Active Folate: Folate is provided for brain and spinal cord development.* Basic Prenatal includes 5-MTHF, the bioactive form of folate for optimal absorption; especially indicated for women who don't get sufficient folate because of their genetic makeup*

Gentle and Effective: Contains well-absorbed nutrients that are gentle on the stomach. Vitamins C, B6, and K have been shown to benefit “morning sickness”*

Bone & Muscle Health: Both vitamin D and vitamin K2 support bone and muscle health, as well as cardiovascular health and immune function*

Promotes Calcium Absorption: Vitamin D is necessary for calcium absorption, and vitamin K is important for directing calcium to the bones and away from the soft tissues, such as the blood vessels and kidneys*

Combo Effect: Vitamin D + K2 Liquid is a convenient way to supplement both vitamins D3 and K2, which offer greater support together

Optimal Absorption: Curcumin Phytosome is the most clinically studied curcumin on the market with 29-times greater absorption than ordinary curcumin

Joint And Muscle: Helps maintain a healthy response in the joints, muscles, GI tract, liver, and nerves

Relieve Aches: Helps provide relief from occasional aches, joint stiffness, or muscle soreness