- About Us
-
Categories
- Accessories
- Amino Acids & BCAA
- Antioxidants
- Beauty & Wellbeing
- Bone & Joint Support
- Collagen
- Cosmetics
- Creatine Supplements
- Digestion Aid
- Drinks, Gels & Shots
- Endurance & Strength
- Glutamine
- Healthy Fats
- Healthy Food
- Herbs & Plant Extracts
- Hormone Support
- Hydration & Isotonic
- Liver Support
- Mass Gainers & Carbs
- Pre Workout
- Post Workout
- Proteins
- Sexual Aid
- Sleep Aid
- Vitamins & Minerals
- Weight Loss Support
- ZMA
- Best Sellers
- Information
- Where to Buy
- Contact Us
Filter products
Average rating of 0 out of 5 stars
Content: 200 Tablets (€0.05* / 1 Tablets)
Average rating of 0 out of 5 stars
Content: 300 g (€5.00* / 100 g)
Average rating of 0 out of 5 stars
Content: 60 Capsules (€0.22* / 1 Capsules)
Average rating of 0 out of 5 stars
Content: 90 Capsules (€0.13* / 1 Capsules)
Average rating of 5 out of 5 stars
Content: 180 Softgels (€0.16* / 1 Softgels)
Average rating of 0 out of 5 stars
Content: 90 Softgels (€0.20* / 1 Softgels)
Average rating of 0 out of 5 stars
Content: 30 Capsules (€0.40* / 1 Capsules)
Average rating of 0 out of 5 stars
Content: 90 Capsules (€0.16* / 1 Capsules)
Average rating of 0 out of 5 stars
Content: 90 Softgels (€0.12* / 1 Softgels)
Average rating of 4.8 out of 5 stars
Content: 90 Tablets (€0.09* / 1 Tablets)
Average rating of 5 out of 5 stars
Content: 90 Tablets (€0.13* / 1 Tablets)
Average rating of 0 out of 5 stars
Content: 90 Tablets (€0.07* / 1 Tablets)
Average rating of 0 out of 5 stars
Content: 60 Capsules (€0.17* / 1 Capsules)
Average rating of 5 out of 5 stars
Content: 60 Softgels (€0.10* / 1 Softgels)
Average rating of 0 out of 5 stars
Content: 100 Tablets (€0.12* / 1 Tablets)
Average rating of 0 out of 5 stars
Content: 120 Capsules (€0.11* / 1 Capsules)
Average rating of 0 out of 5 stars
Content: 120 Softgels (€0.10* / 1 Softgels)
Average rating of 0 out of 5 stars
Content: 60 Capsules (€0.17* / 1 Capsules)
Average rating of 0 out of 5 stars
Content: 20 Tablets (€0.20* / 1 Tablets)
Average rating of 0 out of 5 stars
Content: 250 Softgels (€0.08* / 1 Softgels)
Vitamin D supplements provide a practical way to top up intake when sunlight exposure and diet may not provide enough. This is particularly relevant in Ireland, where useful UVB sunlight is limited during the winter months and vitamin D occurs naturally in relatively few everyday foods. The Vitamin D range at OstroVitNutrition.ie is suited to shoppers comparing straightforward supplementation options for everyday nutritional support, with the main choice usually coming down to the form of vitamin D, the strength shown on the label and the format that best fits your routine. Vitamin D contributes to the normal absorption and utilisation of calcium and phosphorus, as well as the maintenance of normal bones, teeth, muscle function and immune system function.
Why vitamin D matters in Ireland
Vitamin D is produced in the skin in response to sunlight, but seasonal conditions, indoor working, clothing, skin pigmentation and limited outdoor exposure can all affect how much is made. Food sources include oily fish, egg yolks and selected fortified products, although dietary intake can vary considerably between individuals. For this reason, vitamin D supplements are commonly considered as part of a practical nutrition routine, particularly during the extended Irish winter or for people who spend little time outdoors.
Vitamin D2 and D3 explained
The two main forms found in supplements are vitamin D2, also known as ergocalciferol, and vitamin D3, or cholecalciferol. Both are absorbed by the body, but research summarised by the National Institutes of Health indicates that D3 can raise blood vitamin D levels more effectively and maintain them for longer than D2. When comparing products, check the form clearly stated on the packaging rather than assuming that every vitamin D supplement is identical.
Choosing the right format
- Capsules: a convenient option for shoppers who prefer a compact supplement that can be added to an established daily routine.
- Tablets: easy to store and compare by strength, serving information and ingredient list.
- Drops: useful when a liquid format is preferred or when swallowing tablets and capsules is inconvenient. Always confirm the intended age group and directions before use.
Vitamin D is fat-soluble, and the presence of dietary fat can enhance absorption. Follow the product directions and consider taking it with a meal where appropriate.
What to compare on the label
Look first at the amount of vitamin D per serving and whether it is listed in micrograms, international units or both. Check whether the product contains D2 or D3, how many servings are provided and whether the format suits your preferred routine. It is also sensible to review other supplements you take, as multivitamins and combination products may already contain vitamin D. Do not exceed the stated serving and take care with high-strength products: excessive intake over time can lead to an unsafe build-up of calcium.
Practical considerations
Individual needs can vary according to age, pregnancy, skin type, sun exposure, diet and health circumstances. Anyone who is pregnant, managing a medical condition, taking prescribed medicines or considering vitamin D for a child should seek advice from a pharmacist or healthcare professional before choosing a product. For routine shopping, compare the label carefully and select a format and strength that you can use consistently without duplicating other sources of vitamin D.
Explore the Vitamin D range at OstroVitNutrition.ie to compare available OstroVit formats and find an option that fits your everyday supplementation routine.