this is what I found. Story at-a-glance Vitamin K2 is an important fat-soluble vitamin that plays critical roles in protecting your heart and brain, and building strong bones. It also plays an important role in cancer protection The biological role of vitamin K2 is to help move calcium into the proper areas in your body, such as your bones and teeth. It also helps remove calcium from areas where it shouldn’t be, such as in your arteries and soft tissues The optimal amounts of vitamin K2 are still under investigation, but it seems likely that 180 to 200 micrograms of vitamin K2 might be enough to activate your body’s K2-dependent proteins to shuttle calcium to the proper areas If you take oral vitamin D, you also need to take vitamin K2. Vitamin K2 deficiency is actually what produces the symptoms of vitamin D toxicity, which includes inappropriate calcification that can lead to hardening of your arteries If you take a calcium supplement, it’s important to maintain the proper balance between calcium, vitamin K2, vitamin D, and magnesium. Lack of balance between these nutrients is why calcium supplements have become associated with increased risk of heart attack and stroke

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Nivagen

Q: Many customers said they only received a 12-capsule bottle. What’s up with that?

Thank you for your question. We understand the concern. As you will note, those complaints are from over a year ago and were due to errors at Amazon's end. Amazon fulfills our products for us and they kept mistakenly shipping customers 12-count bottles instead of 100-count bottles. (You can also see this fact in the photos the customers posted - they show 12-count bottles.) We decided to no longer sell the 12-count bottle on Amazon and have all leftover 12-count inventory shipped back to us. Since then there have been no more issues. Please do let us know if ever there is an issue with one of our products. We hope this helps assuage your concerns. Sincerely, Nivagen

Q: Hi, is it equal to ip 60000 iu excipients as 60000 does not available online?

The dosage is as on the bottle: 50,000 IU. That's a weekly dosage. I am not a doctor.

Product ID: 6827952

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Brand
Nivagen
Item Form
Capsule
Primary Supplement Type
Vitamin D3
Diet Type
Gluten Free
Flavor
Unflavored

💊50,000 IU weekly dose

🦴Supports bone & muscle strength

🇺🇸Made in FDA-inspected USA facility

Frequently Bought Together

Nivagen Pharmaceuticals Inc Vitamin D3 50,000 IU Capsule (100)

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NOW Foods Supplements, Vitamin E-400 IU D-Alpha Tocopheryl, Dry, Antioxidant Protection*, 100 Veg Capsules

Description

☀️ Elevate your wellness game with weekly sunshine power!

SUNSHINE IN A CAPSULE - Get your daily dose of sunshine vitamin without UV exposure—ideal for busy lifestyles and limited outdoor time.
CLEAN ALLERGY FRIENDLY - Gluten-free, non-GMO, and free from common allergens, with easy-to-swallow capsules that fit any dietary preference.
POWER PACKED WEEKLY DOSE - One capsule delivers a potent 50,000 IU of bioavailable Vitamin D3 for effortless immune and bone support.
TRUSTED AMERICAN QUALITY - Crafted in a CGMP-certified, FDA-inspected US facility ensuring purity, potency, and safety you can count on.
MUSCLE NEUROMUSCULAR BOOST - Optimized calcium metabolism to keep your muscles strong and neuromuscular system sharp—perfect for active professionals 40+.

Nivagen Vitamin D3 delivers a high-potency 50,000 IU once-weekly dose in easy-to-swallow capsules, supporting bone, muscle, and immune health. With a clean, allergen-free formula made in a US FDA-inspected facility, it offers a convenient 2-year supply for consistent vitamin D3 maintenance without UV exposure.

Have a Question? See What Others Asked

Many customers said they only received a 12-capsule bottle. What’s up with that?

Are the capsules vegan?

what is K2?

Hi, is it equal to ip 60000 iu excipients as 60000 does not available online?

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