Rank Product Name Score
1 Jarrow Formulas Vitamin D3 2500 IU, Softgels, Bone Health, Immune Function & Calcium Metabolism Support, 100 Count Jarrow Formulas Vitamin D3 2500 IU, Softgels, Bone Health, Immune Function & Calcium Metabolism Support, 100 Count
Jarrow Formulas
9.8 GET ON AMAZON
2 Jarrow Formulas K-Right - 60 Softgels - Bone & Cardiovascular Health Support - Contains Vitamin D3 & Three Forms of Vitamin K Including MK-7 - 60 Servings Jarrow Formulas K-Right – 60 Softgels – Bone & Cardiovascular Health Support – Contains Vitamin D3 & Three Forms of Vitamin K Including MK-7 – 60 Servings
Jarrow Formulas
9.8 GET ON AMAZON
3 Jarrow Formulas BoneUp - 360 Capsules - Micronutrient Formula for Bone Health - Includes Natural Sources of Vitamin D3, Vitamin K2 (as MK-7) & Calcium - 180 Servings Jarrow Formulas BoneUp – 360 Capsules – Micronutrient Formula for Bone Health – Includes Natural Sources of Vitamin D3, Vitamin K2 (as MK-7) & Calcium – 180 Servings
Jarrow Formulas
9.5 GET ON AMAZON
4 Jarrow Formulas Vitamin D3 5000 IU - 100 Softgels, Pack of 2 - Bone Health, Immune Function & Calcium Metabolism Support - 200 Total Servings Jarrow Formulas Vitamin D3 5000 IU – 100 Softgels, Pack of 2 – Bone Health, Immune Function & Calcium Metabolism Support – 200 Total Servings
Jarrow Formulas
9.3 GET ON AMAZON
5 Jarrow Formulas Vitamin D3 2500 IU - 100 Softgels, Pack of 2 - Bone Health, Immune Function & Calcium Metabolism Support - 200 Total Servings Jarrow Formulas Vitamin D3 2500 IU – 100 Softgels, Pack of 2 – Bone Health, Immune Function & Calcium Metabolism Support – 200 Total Servings
Jarrow Formulas
9.2 GET ON AMAZON
6 Jarrow Formulas Vitamin D3 1000 IU - 100 Softgels, Pack of 2 - Bone Health, Immune Function & Calcium Metabolism Support - 200 Total Servings Jarrow Formulas Vitamin D3 1000 IU – 100 Softgels, Pack of 2 – Bone Health, Immune Function & Calcium Metabolism Support – 200 Total Servings
Jarrow Formulas
9.2 GET ON AMAZON
7 Jarrow Formulas BoneUp - 120 Capsules - Micronutrient Formula for Bone Health - Includes Natural Sources of Vitamin D3, Vitamin K2 (as MK-7) & Calcium - 60 Servings Jarrow Formulas BoneUp – 120 Capsules – Micronutrient Formula for Bone Health – Includes Natural Sources of Vitamin D3, Vitamin K2 (as MK-7) & Calcium – 60 Servings
Jarrow Formulas
9.2 GET ON AMAZON
8 Jarrow Formulas Vitamin D3 1000 IU 100 Softgels Jarrow Formulas Vitamin D3 1000 IU 100 Softgels
Jarrow Formulas
9.0 GET ON AMAZON
9 Thorne Research - Vitamin C with Flavonoids - Blend of Vitamin C and Citrus Bioflavonoids from Oranges, The Way They Thorne Research – Vitamin C with Flavonoids – Blend of Vitamin C and Citrus Bioflavonoids from Oranges, The Way They’re Found Together in Nature – 90 Capsules
Thorne Research
8.6 GET ON AMAZON
10 NOW Supplements, Vitamin D-3 5,000 IU, High Potency, Structural Support*, 240 Softgels NOW Supplements, Vitamin D-3 5,000 IU, High Potency, Structural Support*, 240 Softgels
NOW Sports – Nutrition and Wellness
8.3 GET ON AMAZON

Jarrow Formulas Vitamin D3 2500 IU, Softgels, Bone Health, Immune Function & Calcium Metabolism Support, 100 Count

Jarrow Formulas Vitamin D3 2500 IU, Softgels, Bone Health, Immune Function & Calcium Metabolism Support, 100 Count

    Features:

  • Provides Cholecalciferol: Vitamin D3 provides cholecalciferol, which is the form produced by the (human) skin in response to UVB exposure (sunlight), and may also improve vitamin D status better than equivalent amounts of ergocalciferol
  • Immune and Bone Support: Vitamin D3 is converted to calcitriol in the body, which enhances dietary calcium and phosphorous absorption, supports production of osteocalcin (an important structural protein in bone), and supports a healthy immune response
  • Convenient Softgels: Each softgel delivers 1000 IU of vitamin D; Take 1 softgel per day, or every other day, with a fat-containing meal, or as directed by your qualified healthcare professional
  • Superior Nutrition and Formulation: The goal of Jarrow Formulas is to promote optimal health with high-quality, effective, affordable, and superior formulation of dietary supplements; Our customers can be assured of purity, value, and potency

Jarrow Formulas K-Right – 60 Softgels – Bone & Cardiovascular Health Support – Contains Vitamin D3 & Three Forms of Vitamin K Including MK-7 – 60 Servings

Jarrow Formulas K-Right - 60 Softgels - Bone & Cardiovascular Health Support - Contains Vitamin D3 & Three Forms of Vitamin K Including MK-7 - 60 Servings

    Features:

  • Includes Vitamin K & Vitamin D3 – Jarrow Formulas K-Right is a combination of three forms of Vitamin K: MK-7, MK-4, and K1, plus vitamin D3 to support bone and cardiovascular health.*
  • MK-7 Benefits – Jarrow Formulas MK-7 (menaquinone-7) is a product of natural fermentation using Bacillus subtilis subsp. natto. MK-7 is a bioactive form of vitamin K2 from natto and is much better absorbed than K1 from spinach.
  • Bone Health – Each softgel contains vitamin D3 to support bone health.* Vitamin K functions in the carboxylation of osteocalcin, which binds calcium in bones. Vitamin D3 functions in the production of osteocalcin.
  • Convenient Softgels – Each softgel contains vitamin D3 and three forms of vitamin K. Take 1 softgel per day with a meal or as directed by your qualified healthcare professional.
  • Superior Nutrition & Formulation – The goal of Jarrow Formulas is to promote optimal health with high-quality, effective, affordable, and superior formulation of dietary supplements. Our customers can be assured of purity, value, and potency.

Jarrow Formulas BoneUp – 360 Capsules – Micronutrient Formula for Bone Health – Includes Natural Sources of Vitamin D3, Vitamin K2 (as MK-7) & Calcium – 180 Servings

Jarrow Formulas BoneUp - 360 Capsules - Micronutrient Formula for Bone Health - Includes Natural Sources of Vitamin D3, Vitamin K2 (as MK-7) & Calcium - 180 Servings

    Features:

  • Micronutrient Formula for Bone Health – BoneUp is a comprehensive micronutrient formula that provides StimuCal MicroCrystalline HydroxyApatite (MCHA) and micronutrients to support bone health, bone density.
  • Bone Density Support – StimuCal MCHA is a natural source of calcium shown to support bone mineral density better than calcium carbonate. StimuCal also provides bone proteins, including type I collagen, which has been shown to support bone health.
  • Natural Sources – Vitamins D3 and K2 (as MK-7) are included to support calcium deposition into bones.
  • Convenient Capsules – Take two capsules three times per day (for a total of six) with meals to facilitate maximum absorption or as directed by your qualified healthcare professional.
  • Superior Nutrition & Formulation – The goal of Jarrow Formulas is to promote optimal health with high-quality, effective, affordable, and superior formulation of dietary supplements. Our customers can be assured of purity, value, and potency.

Jarrow Formulas Vitamin D3 5000 IU – 100 Softgels, Pack of 2 – Bone Health, Immune Function & Calcium Metabolism Support – 200 Total Servings

Jarrow Formulas Vitamin D3 5000 IU - 100 Softgels, Pack of 2 - Bone Health, Immune Function & Calcium Metabolism Support - 200 Total Servings

    Features:

  • Provides Cholecalciferol – Vitamin D3 provides cholecalciferol, which is the form produced by the (human) skin in response to UVB exposure (sunlight), and may also improve vitamin D status better than equivalent amounts of ergocalciferol.
  • Immune & Bone Support – Vitamin D3 is converted to calcitriol in the body, which enhances dietary calcium + phosphorous absorption, supports production of osteocalcin (an important structural protein in bone) & supports a healthy immune response.
  • Convenient Softgels – Each softgel delivers 5000 IU of vitamin D. Take 1 softgel per day, or every other day, with a fat-containing meal, or as directed by your qualified healthcare professional.
  • Superior Nutrition & Formulation – The goal of Jarrow Formulas is to promote optimal health with high-quality, effective, affordable, and superior formulation of dietary supplements. Our customers can be assured of purity, value, and potency.

Jarrow Formulas Vitamin D3 2500 IU – 100 Softgels, Pack of 2 – Bone Health, Immune Function & Calcium Metabolism Support – 200 Total Servings

Jarrow Formulas Vitamin D3 2500 IU - 100 Softgels, Pack of 2 - Bone Health, Immune Function & Calcium Metabolism Support - 200 Total Servings

    Features:

  • Provides Cholecalciferol – Vitamin D3 provides cholecalciferol, which is the form produced by the (human) skin in response to UVB exposure (sunlight), and may also improve vitamin D status better than equivalent amounts of ergocalciferol.
  • Immune & Bone Support – Vitamin D3 is converted to calcitriol in the body, which enhances dietary calcium + phosphorous absorption, supports production of osteocalcin (an important structural protein in bone) & supports a healthy immune response.
  • Convenient Softgels – Each softgel delivers 2500 IU of vitamin D. Take 1 softgel per day, or every other day, with a fat-containing meal, or as directed by your qualified healthcare professional.
  • Superior Nutrition & Formulation – The goal of Jarrow Formulas is to promote optimal health with high-quality, effective, affordable, and superior formulation of dietary supplements. Our customers can be assured of purity, value, and potency.

Jarrow Formulas Vitamin D3 1000 IU – 100 Softgels, Pack of 2 – Bone Health, Immune Function & Calcium Metabolism Support – 200 Total Servings

Jarrow Formulas Vitamin D3 1000 IU - 100 Softgels, Pack of 2 - Bone Health, Immune Function & Calcium Metabolism Support - 200 Total Servings

    Features:

  • Provides Cholecalciferol – Vitamin D3 provides cholecalciferol, which is the form produced by the (human) skin in response to UVB exposure (sunlight), and may also improve vitamin D status better than equivalent amounts of ergocalciferol.
  • Immune & Bone Support – Vitamin D3 is converted to calcitriol in the body, which enhances dietary calcium + phosphorous absorption, supports production of osteocalcin (an important structural protein in bone) & supports a healthy immune response.
  • Convenient Softgels – Each softgel delivers 1000 IU of vitamin D. Take 1 softgel per day, or every other day, with a fat-containing meal, or as directed by your qualified healthcare professional.
  • Superior Nutrition & Formulation – The goal of Jarrow Formulas is to promote optimal health with high-quality, effective, affordable, and superior formulation of dietary supplements. Our customers can be assured of purity, value, and potency.

Jarrow Formulas BoneUp – 120 Capsules – Micronutrient Formula for Bone Health – Includes Natural Sources of Vitamin D3, Vitamin K2 (as MK-7) & Calcium – 60 Servings

Jarrow Formulas BoneUp - 120 Capsules - Micronutrient Formula for Bone Health - Includes Natural Sources of Vitamin D3, Vitamin K2 (as MK-7) & Calcium - 60 Servings

    Features:

  • Micronutrient Formula for Bone Health: BoneUp is a comprehensive micronutrient formula that provides StimuCal MicroCrystalline HydroxyApatite (MCHA) and micronutrients to support bone health, bone density, and skeletal nutrition
  • Bone Density Support: StimuCal MCHA is a natural source of calcium shown to support bone mineral density better than calcium carbonate; StimuCal also provides bone proteins, including type I collagen, which has been shown to support bone health
  • Natural Sources: Vitamins D3 and K2 (as MK-7) are included to support calcium deposition into bones; Adequate calcium and vitamin D as part of a healthful diet, along with physical activity, may reduce osteoporosis risk later in life
  • Convenient Capsules: Take two capsules three times per day (for a total of six) with meals to facilitate maximum absorption or as directed by your qualified healthcare professional
  • Superior Nutrition and Formulation: The goal of Jarrow Formulas is to promote optimal health with high-quality, effective, affordable, and superior formulation of dietary supplements; Our customers can be assured of purity, value, and potency

Thorne Research – Vitamin C with Flavonoids – Blend of Vitamin C and Citrus Bioflavonoids from Oranges, The Way They’re Found Together in Nature – 90 Capsules

Thorne Research - Vitamin C with Flavonoids - Blend of Vitamin C and Citrus Bioflavonoids from Oranges, The Way They

    Features:

  • 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
  • Free From: Doesn’t contain gluten, eggs, tree nuts, peanuts, dairy, yeast, soy, fish, or shellfish
  • Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on wellness research and content. Thorne is also a proud partner of 11 U.S. Olympic Teams

NOW Supplements, Vitamin D-3 5,000 IU, High Potency, Structural Support*, 240 Softgels

NOW Supplements, Vitamin D-3 5,000 IU, High Potency, Structural Support*, 240 Softgels

    Features:

  • Highest potency
  • Helps maintain strong bones
  • Supports immune system.Corn free.Soy free
  • GMP quality assured: NPA A-rated GMP certification means that every aspect of the now manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
  • Packaged in the USA by a family owned and operated company since 1968
  • During the summer months products may arrive warm, but Amazon stores and ships products in accordance with manufacturers’ recommendations, when provided.

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