What Is Member’s Mark Vitamin D3 (50 mcg / 2000 IU)?
Member’s Mark Vitamin D3 is a dietary supplement that delivers 50 mcg (2,000 IU) of vitamin D3 (cholecalciferol) per softgel. Each bottle contains 400 softgels, providing a little over 13 months of daily supply when taken as directed. This product is bottled in the United States.
What Does Each Member’s Mark Vitamin D3 Softgel Contain?
Active Ingredient:
- Cholecalciferol (Vitamin D3) — 50 mcg (2,000 IU) per softgel
Inactive Ingredients:
- Safflower Oil
- Gelatin
- Glycerin
- Purified Water USP
Free From:
- Artificial flavors
- Synthetic dyes
- Sugar
- Soy
- Gluten
- Milk or milk derivatives
What Does Vitamin D3 Do for Immune, Bone, and Muscle Health?
Vitamin D is an essential nutrient that plays a role in several important body functions. Member’s Mark Vitamin D3 at 50 mcg (2,000 IU) per softgel helps support a healthy immune system.* It promotes calcium absorption, which is necessary for maintaining strong bones and teeth.* Vitamin D works together with calcium to help support bone and muscle health.*
Although the body naturally produces vitamin D when exposed to sunlight, many people do not get enough sun exposure to maintain adequate levels. A daily Vitamin D3 softgel is a convenient and affordable way to help maintain your vitamin D intake over the long term.
Member’s Mark Vitamin D3 uses cholecalciferol (Vitamin D3), which is the same form of vitamin D that the body naturally produces when skin is exposed to sunlight.
How Much Vitamin D3 Should Adults Take Per Day?
Adults should take one (1) softgel daily, preferably with a meal, as a dietary supplement. As a reminder, discuss the supplements and medications you take with your health care providers.
Who Should Consult a Doctor Before Taking This Vitamin D3 Supplement?
- People who are pregnant or breastfeeding should consult a physician before taking this Vitamin D3 supplement.
- People with kidney disease should consult a doctor before taking Vitamin D3, as it can affect calcium metabolism.
- People with hypercalcemia (high calcium levels) should not take this product unless directed by their physician.
- People with cancer, sarcoidosis, or other granulomatous disorders should not take this product unless directed by their physician.
- This high-dose product is intended for those deficient in vitamin D as determined and recommended by their physician.
- Discontinue use and consult your doctor if any adverse reactions occur.
- Keep out of the reach of children.
FSA/HSA Eligibility: This product is not FSA/HSA eligible.
Is This Vitamin D3 USP Verified? What Does That Mean?
This product is USP verified. United States Pharmacopeia (USP) is an independent, nonprofit organization that sets official quality standards for dietary supplements. USP verification means the product has been tested and verified for ingredient accuracy, potency, and manufacturing process integrity. This designation helps confirm that the supplement contains what is stated on the label and was made under safe, sanitary conditions.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Frequently Asked Questions
What is the dosage of Member’s Mark Vitamin D3 in this bottle?
Each Member’s Mark Vitamin D3 softgel contains 50 mcg of vitamin D3, which is equivalent to 2000 IU. The bottle includes 400 softgels.
What is Member’s Mark Vitamin D3 designed to support?
Member’s Mark Vitamin D3 is designed to support immune, bone, and muscle health. It is an essential nutrient that helps promote calcium absorption and works together with calcium to support healthy bones and teeth.*
How should I take Member’s Mark Vitamin D3?
Adults should take one softgel daily, preferably with a meal, as a dietary supplement. It is also recommended to discuss the supplements and medications you take with your health care providers.
How long does the 400-count bottle of Member’s Mark Vitamin D3 last?
The bottle contains 400 softgels, which provides a little over 13 months of daily supply when taken as directed at one softgel per day.
Is Member’s Mark Vitamin D3 free from common allergens or additives?
Yes, the Member’s Mark Vitamin D3 formula is free from artificial flavors, synthetic dyes, sugar, soy, gluten, and milk or milk derivatives.
Where is Member’s Mark Vitamin D3 bottled?
Member’s Mark Vitamin D3 is bottled in the United States.
Is Member’s Mark Vitamin D3 USP verified?
Yes, Member’s Mark Vitamin D3 is USP verified. This means it meets the official standards for dietary supplements set by the United States Pharmacopeia (USP). USP has tested and verified the product’s ingredients, potency, and manufacturing process to help ensure a high-quality supplement.
Who should talk to a doctor before taking Member’s Mark Vitamin D3?
Do not take this product if you are pregnant or breastfeeding, or have kidney disease, hypercalcemia, cancer, sarcoidosis, or other granulomatous disorders, unless directed by your physician. This high-dose product is intended for those deficient in vitamin D as determined and recommended by their physicians. Discontinue use and consult your doctor if any adverse reactions occur. Keep out of the reach of children.
What ingredients are in Member’s Mark Vitamin D3 softgels?
The ingredients in Member’s Mark Vitamin D3 softgels are safflower oil, gelatin, glycerin, purified water USP, and cholecalciferol (vitamin D3).
Why might I need a vitamin D3 supplement like Member’s Mark Vitamin D3?
Although the body naturally produces vitamin D when exposed to sunlight, many people do not get enough sun exposure to fully experience its benefits. Taking Member’s Mark Vitamin D3 softgels is a convenient way to help increase daily vitamin D intake.
What form does Member’s Mark Vitamin D3 come in?
Member’s Mark Vitamin D3 comes in softgel form. Each bottle contains 400 softgels, making it a high-count option for long-term daily use.
Is Member’s Mark Vitamin D3 an affordable option for long-term supplementation?
The 400-count bottle of Member’s Mark Vitamin D3 provides over 13 months of daily supply at one softgel per day, making it a high-count, value-oriented option for long-term vitamin D3 supplementation.
What does USP verified mean for Member’s Mark Vitamin D3?
USP verified means that the United States Pharmacopeia has independently tested and verified the ingredients, potency, and manufacturing process of Member’s Mark Vitamin D3. This verification ensures the product meets USP’s official standards for dietary supplements.
Is Member’s Mark Vitamin D3 FSA or HSA eligible?
No, Member’s Mark Vitamin D3 is not FSA or HSA eligible.
What type of vitamin D is in Member’s Mark Vitamin D3?
Member’s Mark Vitamin D3 contains cholecalciferol, which is the D3 form of vitamin D. Each softgel provides 50 mcg (2000 IU).

















