Zein Pharma Vitamin D3 is a potent high dose vitamin D3 supplement that supports bone strength, immune function and healthy muscle function. This weekly capsule makes it simple to keep levels steady, and the vegetarian capsule appeals to plant-based diets. This brand blends German manufacturing with strict standards and clear labeling, and it is trusted by many.

Available Sizes & Variants:

90 caps Vitamin D3 – convenient weekly dose.

Benefits & Features:

• Supports bone health with vitamin D3 aiding calcium absorption.
• A simple weekly capsule fits into busy routines, helping to maintain normal vitamin D levels for everyday immune support.
• Vegetarian capsule makes this vitamin d supplement suitable for plant-based diets.
• Germany made with strict labeling and quality control.
• Designed for reliable weekly dosing, delivering steady vitamin D3 to support calcium metabolism, muscle function and overall wellbeing.

ZeinPharma Germany GmbH produces this vitamin d supplement in their Naunheim facility, adhering to EU labelling rules and LMIV requirements. The capsules are vegetarian, using hydroxypropyl methylcellulose and microcrystalline cellulose as the bulking agent, and the vitamin D3 is sourced from natural lanolin, a detail many vegetarians appreciate. The brand focuses on safety, purity and clear product information, a combination that helps you trust what you are taking.

Microcrystalline cellulose, Hydroxypropyl methylcellulose, Vitamin D3 (cholecalciferol), Filler, Capsule shell.

• GTIN: 4260085383788
• Manufacturer: Zein Pharma
• Categories: Back to School Supplements & EssentialsVitamin D Supplements, Tablets & GummiesZein Pharma Products
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

Take 1 capsule whole with plenty of fluid during a meal, once a week. Store in a cool, dry place away from direct sunlight. Keep out of reach of children. Do not exceed the recommended dosage. Dietary supplements are not a substitute for a varied and balanced diet.

Please consult the product packaging for accurate instructions on how to use the product.

The Active Ingredient Is: Vitamin D3 (Cholecalciferol)

Vitamin D3, also known as cholecalciferol, is a fat soluble vitamin that is essential for normal calcium metabolism and bone mineralisation as part of healthy skeletal function.

This form is sourced from natural lanolin and supplied in a vegetarian capsule, matching plant-based dietary preferences while delivering strong bioavailability.

What Does Vitamin D3 Do?

Vitamin D3 helps regulate calcium absorption and supports immune function, with implications for muscle health and teeth as described in EFSA aligned guidance [which is widely recognised].

Dr Bouillon from the university found that Vitamin D3 raises serum 25(OH)D levels, helping the body's utilisation of calcium and phosphorus for bone health.

This product isn’t intended to diagnose, treat, cure, or prevent any disease.

We picked Zein Pharma as our partner for Vitamin D3 due to the brand's solid record in safe, quality-controlled supplement manufacturing. Zein Pharma Germany GmbH runs from its Naunheim plant in Germany, a place devoted to upholding high manufacturing standards and compliance with EU information rules, which underpins their trusted standing in the sector. Their formulation approach emphasises purity, using a vegetarian capsule and minimal, clean ingredients, which aligns with Welzo's quality expectations and customer priorities. This brand's commitment to solid manufacturing practices and transparent regulatory alignment helps ensure reliable product integrity and consumer safety. our expert team of doctors, nurses, and nutritionists have evaluated Zein Pharma against our exacting criteria, including adherence to our our supplement quality standards. For this reason, Zein Pharma’s Vitamin D3 is a strong product fit for Welzo customers seeking a high-quality, predictable daily or weekly vitamin D option.