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Logos Nutritionals Vitamin D-3 bottle with white capsules and blue label

Vitamin D-3

Vitamin D-3 by Logos Nutritionals is a non-GMO, vegetarian supplement with 90 capsules per bottle, priced at $12.50. Featuring cholecalciferol, the most bioactive form of vitamin D, it supports bone density, immunity, and energy levels—ideal for adults with limited sun exposure.

$12.50

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Key features

  • Contains cholecalciferol (D3) for optimal absorption
  • Supports bone density and calcium utilization
  • Boosts immune system function
  • May improve mood and sleep patterns
  • Helps reduce chronic fatigue and pain
  • Non-GMO and vegetarian formula
  • 90 capsules per bottle, 3-month supply

Pros

  • +Highly bioavailable D3 form
  • +Supports multiple aspects of health
  • +Clean, non-GMO, vegetarian formula
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Cons

  • No dosage amount specified in catalog
  • Vegetarian but not vegan certified

About Vitamin D-3

What is Vitamin D-3?

Vitamin D-3 by Logos Nutritionals is a dietary supplement formulated with cholecalciferol, the natural and most bioactive form of vitamin D. This essential nutrient plays a critical role in calcium absorption, bone health, immune function, and overall wellness. Because most people don’t get enough sunlight to synthesize adequate vitamin D, supplementation is often necessary. This product helps maintain optimal vitamin D levels, especially during winter months or for individuals who spend little time outdoors.

Key features

  • Bioactive Form — Contains cholecalciferol for superior absorption and effectiveness.
  • Bone Health Support — Promotes strong bones and helps maintain bone density as you age.
  • Immune Function — Supports a healthy immune system to help prevent illness.
  • Mood & Sleep Support — May help reduce symptoms of depression, anxiety, and improve sleep quality.
  • Energy & Anti-Aging — Helps reduce fatigue and supports cellular health for longevity.
  • Non-GMO & Vegetarian — Free from genetically modified ingredients and suitable for vegetarians.
  • 90-Capsule Supply — One bottle provides a 3-month supply at recommended dosage.

Who is Vitamin D-3 for?

This supplement is ideal for adults with limited sun exposure, older individuals concerned with bone density, those with low energy or mood imbalances, and anyone seeking to support long-term immune and metabolic health. It's especially beneficial during winter or for people using sunscreen regularly.

How does Vitamin D-3 compare?

Compared to standard vitamin D supplements, this formulation uses the preferred cholecalciferol (D3) form, which is more effective than ergocalciferol (D2). It outperforms gummy or fortified food sources in bioavailability and delivers consistent dosing. Unlike many budget brands, it’s non-GMO and vegetarian, making it a cleaner choice than synthetic or animal-derived alternatives.

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Best use cases

  • Daily bone health maintenance
  • Supporting immunity during cold season
  • Addressing low energy or fatigue
  • Managing mood imbalances
  • Compensating for low sun exposure
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Is Vitamin D-3 right for you?

Vitamin D-3 is best for adults seeking to maintain strong bones, boost immunity, or address deficiency due to limited sunlight. Ideal for beginners and long-term users alike. If you're indoors often or live in northern climates, this supplement is a smart addition. Alternatives include fortified foods or multivitamins, but they often provide lower, less reliable doses.

How it compares: Compared to vitamin D2 supplements and fortified foods, this D3 formulation offers superior absorption and sustained blood levels. It’s more effective than gummies or low-potency options, and cleaner than non-vegetarian or synthetic versions.

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Frequently Asked Questions

What is the active ingredient in Vitamin D-3 by Logos Nutritionals?

The active ingredient is cholecalciferol, the natural and most bioactive form of vitamin D. This form is more efficiently absorbed and utilized by the body compared to vitamin D2, making it the preferred choice for maintaining optimal vitamin D levels.

Does this Vitamin D-3 supplement contain any allergens?

Based on available information, the product is non-GMO and vegetarian, but specific allergen details such as soy, gluten, or dairy are not provided. Check the label or contact the manufacturer directly for full allergen disclosure before use.

How should I take Vitamin D-3 for best results?

Take as directed on the label, typically with a meal containing fat to enhance absorption. Consistent daily use is recommended, especially during months with limited sunlight exposure, to maintain stable vitamin D levels in the body.

Is Vitamin D-3 by Logos Nutritionals suitable for vegetarians?

Yes, this supplement is labeled vegetarian and non-GMO. However, it may not be certified vegan. Individuals following strict vegan diets should verify the source of the capsule or excipients with the manufacturer.

Can Vitamin D-3 help with fatigue and low energy?

Yes, vitamin D deficiency is linked to fatigue and low energy. Supplementing with Vitamin D-3 may help improve energy levels, reduce tiredness, and support overall vitality, especially in individuals with low baseline levels.

How much does Vitamin D-3 cost?

Vitamin D-3 is $12.50 at Logos Nutritionals. Prices may change — click through to Logos Nutritionals for the latest.

Is Vitamin D-3 in stock at Logos Nutritionals?

Vitamin D-3 is currently out of stock at Logos Nutritionals. Check back soon or browse similar products.

Are there coupon codes for Logos Nutritionals?

Yes — Love Those Deals currently tracks 1 active Logos Nutritionals coupon. See the coupons section on this page to copy a code before checkout.

Specifications

SKU
VD3/90/11
Last updated May 14, 2026