Once Weekly Cholecalciferol Formulated by Healthcare Professional GMP Quality Assured Dietary Supplement Non GMO Vitamatic Vitamin D3 is a very important nutrient for overall healthy muscle function, increases calcium absorption for stronger bones, teeth, and immune support. The vast majority of individuals are deficient in Vitamin D, a life-sustaining vitamin. All the benefits of vitamin D without the risk of unprotected exposure to UVB rays. Safe and natural way to get this much-needed vitamin.
International delivery
Shipping calculated at checkout
Returns & exchanges
Within 30 days of delivery
Once Weekly Cholecalciferol Formulated by Healthcare Professional GMP Quality Assured Dietary Supplement Non GMO Vitamatic Vitamin D3 is a very important nutrient for overall healthy muscle function, increases calcium absorption for stronger bones, teeth, and immune support. The vast majority of individuals are deficient in Vitamin D, a life-sustaining vitamin. All the benefits of vitamin D without the risk of unprotected exposure to UVB rays. Safe and natural way to get this much-needed vitamin.
Highly effective Vitamin D3! No strong scent, excellent quality, and pure composition. Convenient size and secure package. Ideal for all ages, dosage weekly, try to sit under the sun after, no taste at all, easy to use, and gentle on sensitive stomachs. Provides great benefits for bones, immunity, and overall health!
Highly effective Vitamin D3! No strong scent, excellent quality, and pure composition. Convenient size and secure package. Ideal for all ages, dosage weekly, try to sit under the sun after , no taste at all, easy to use, and gentle on sensitive stomachs. Provides great benefits for bones, immunity, and overall health!
I'm taking Vitamin D supplements to boost my immunity and bone health, especially during the low-sun months. The quality is great, and the ingredient list is clean. The size of the capsules is easy to swallow, and the dosage is convenient. I've noticed a positive effect on my overall health, and my deficiency has improved. The absorption seems good, and the taste is neutral. The package is easy to use, and I'm happy with the results
To be honest with you I haven't really used it a lot yet as I don't really need it in this hot blistering sun lol
Im loving it, I’ve been using it for 2 weeks now and my energy level has improved. After 2 weeks I’ll stop.
A hard to find to dose in such an affordable price with no quality compromise. The 50000 IU pill is perfect for crowded pills schedule, it's one pill/week for 8 weeks, then it's a piece of cake to go from there with any good 10000 IU supplement. That's one way to go with guidelines but it's not common to find these pills at a discount. It's a generous quantity too! You will never need all of that, you only need 8 pills, so a whole vampire household that include no healthy invidividuals who like the the idea of sunlight can be treated from Vit. D Deficiency with one bottle and no sun. Thank you iHerb, I lost hope in finding it in Egypt, so I bought it through a friend in Saudi Arabia discounted too.
• Supports bone and teeth health • Improves calcium absorption • Strengthens the immune system • Supports muscle function • Helps regulate mood • Supports heart health • May help reduce inflammation • Important for hormone balance
Great high-potency vitamin D3 supplement — easy to take once a week, reliable quality, and I feel more confident that my vitamin D levels are supported.
I bought this high-powered version of D3 because I know I don't get enough sun shine on my skin these days, so I need a supplement to help boost my immunity. I also like the convenience of only having to take one cap per week,
I recently started using Vitamatic’s Vitamin D3 50,000 IU (once‑weekly dose) and I’m quite impressed. It’s very convenient — just one capsule per week — and the dosage is strong, which is ideal since I live in Riyadh where sun exposure is good but still I found I needed support. Reviewers on iHerb mention “highly effective… the ingredient list is clean” for people with deficiency.  ⸻ ✅ What I Like • The dosage: 50,000 IU (1250 mcg) once weekly means less frequent dosing but powerful support.  • The ingredient profile: It’s stated as non‑GMO, gluten‑free, dairy‑free, made in USA.  • Ease of use: Small veggie capsule, easy to swallow, no weird taste. Many users said it’s gentle on their stomach.  • Value: For one capsule weekly, the bottle of 60 capsules covers more than a year, making it great for long‑term support.  ⸻ ⚠️ What to Watch • High potency: Because this is a very high dose, it’s important to only take it when you need it (e.g., you’ve been tested and found low in Vitamin D). Taking high doses without need may carry risks. (General vitamin D info: doses ≥50,000 IU/day for several weeks can cause toxicity)  • Weekly dosing: If you forget the weekly dose, you might miss the intended benefit. Consistency matters.
