MASON NATURAL Vitamin D3 1000 IU (25 µg) from Fish Liver Oil, 300 Softgels

Key Benefits of Vitamin D3 Supplementation

Vitamin D3 plays a vital role in several bodily processes. Here are some of the well-recognised benefits:

• Bone Health: Vitamin D3 contributes to normal calcium absorption, which is essential for maintaining strong and healthy bones.*
• Muscle Function: Adequate vitamin D levels support normal muscle contraction and function.*
• Immune Support: Vitamin D3 helps to maintain the normal function of the immune system.*
• Calcium Balance: By aiding calcium regulation, vitamin D3 helps maintain proper mineral balance in the body.*

These benefits make vitamin D3 a cornerstone of daily wellness for adults of all ages.

What Makes MASON NATURAL Vitamin D3 Stand Out?

MASON NATURAL has been a trusted name in vitamins for over 50 years. This vitamin D3 supplement is formulated with clean ingredients: highly refined fish liver oil and soybean oil, with no added milk, eggs, gluten, peanuts, wheat, shellfish, tree nuts, or artificial preservatives. Each batch is produced following current Good Manufacturing Practises (cGMPs) and undergoes rigorous testing and inspections to ensure purity and potency. The softgel format is easy to swallow and designed for optimal absorption when taken with food.

Who May Benefit from Vitamin D3?

While anyone can benefit from adequate vitamin D levels, certain groups may find supplementation particularly helpful. Individuals who spend most of their time indoors, live in northern latitudes, or have darker skin tones often have lower vitamin D synthesis from sunlight. Older adults and those with limited dietary sources of vitamin D may also benefit. MASON NATURAL Vitamin D3 offers a simple, reliable way to fill nutritional gaps and support overall health.*

How to Incorporate Vitamin D3 into Your Routine

For adults 18 and older, take one softgel daily, preferably with a meal that contains fat to enhance absorption. Consistency is key—pair it with breakfast or lunch for easy habit formation. Each bottle provides a 300-day supply, so you can set a daily reminder and never run out. Store in a cool, dry place away from direct sunlight.

Why Choose MASON NATURAL Vitamin D3?

Many people don't get enough vitamin D from sunlight alone, especially during the darker months. MASON NATURAL Vitamin D3 delivers 1000 IU of cholecalciferol—the most bioavailable form—from high-quality fish liver oil. Each softgel provides a convenient daily dose to support normal bone and muscle function, as well as a healthy immune system.* With a 300-day supply in one bottle, this supplement makes it easy to maintain consistent intake year-round.

Frequently Asked Questions About Vitamin D3

What is the difference between vitamin D2 and D3?

Vitamin D3 (cholecalciferol) is the same form produced by your skin in response to sunlight. It is more effective at raising and maintaining blood levels of vitamin D compared to D2 (ergocalciferol). MASON NATURAL use D3 for maximum bioavailability.

Can I take this with other supplements?

Yes, vitamin D3 pairs well with calcium, magnesium, and vitamin K2 to support bone health, but always consult your health care professional before combining supplements.

Is this supplement suitable for vegans?

No, this product is derived from fish liver oil, making it unsuitable for vegans. Look for a lichen-based vitamin D3 if you follow a plant-based diet.

How do I know if I need vitamin D?

A blood test from your health care provider can assess your vitamin D levels. Many adults benefit from supplementation, especially during winter months or if sun exposure is limited.

These statements have not been evaluated by the European Food Safety Authority. This product is not intended to diagnose, treat, , or prevent any disease.