Your Weekly Dose of Sunshine — Ultra-D3 50,000 IU
How Ultra-D3 Works
Take 1 Softgel Per Week
Take one softgel per week with food for optimal absorption.
Body Absorbs & Maintains Levels
Your body absorbs and maintains healthy vitamin D3 levels throughout the week.
Supports Bones, Teeth & Immunity
Supports strong bones, healthy teeth, and a robust immune system.
One Softgel. One Week. Powerful Simplicity.
Smart. Simple. Designed for Your Routine — 12 Weeks of Easy Weekly Tracking
Our Ultra-D3 tracking blister pack makes your weekly dose simple and stress-free. No counting pills — just one softgel every week.
Each softgel is labeled per week and clearly separated, so you never lose track of your weekly dose.
Lightweight, compact, and perfect for on-the-go.
Individually sealed to maintain potency.
Why Vitamin D3 Matters Year-Round
Vitamin D is essential for supporting strong bones and teeth, a resilient immune system, balanced mood, and overall well-being. Many adults experience low vitamin D levels, especially during colder months or with limited sun exposure.
Seasonal drops in vitamin D can affect your immunity, energy, and bone health, making it crucial to maintain optimal levels year-round. Ultra-D3 delivers a high-potency weekly dose to help you stay healthy through every season.
Ultra-D3 provides a once-weekly, high-potency 50,000 IU dose to help maintain healthy levels.
Why Ultra-D3 is Different
Experience the difference with our once-a-week vitamin D3 supplement
Once-a-Week Dosing
Convenient weekly dosing for busy lifestyles
Clean Formula
No artificial colors, flavors, or preservatives
Lab-Tested Purity
Third-party tested for quality and potency
Precision Tracker
Track your vitamin D levels with ease
12-Count Blister Pack
Lasts 12 weeks
12-Count Pack (Pack of 3)
Lasts 36 weeks
50-Count Bottle
Lasts ~50 weeks
Why Choose Weekly Dosing?
Built-in tracker
Our blister pack option weekly dosing easy and convenient
Small softgel
Easy to swallow, gentle on your stomach
Weekly convenience
Just one softgel per week for optimal vitamin D levels
How Ultra-D3 Compares
| Features | Ultra-D3 | Competitor A | Competitor B |
|---|---|---|---|
| Dosing Frequency | Once Weekly | Twice Daily | Twice Daily |
| IU per Capsule | 50,000 IU | 2,000 IU | 1,000 IU |
| Number of Pills per Week | 1 | 14 | 14 |
| Lab-Tested Purity | |||
| Non-GMO/Gluten-Free | |||
| Price Range per Month | $9.99 - $14.99 | $15.99 - $24.99 | $18.99 - 22.99 |
| Customer Ratings |
Frequently Asked Questions
Yes, when taken as directed. Our 50,000 IU vitamin D3 supplement is formulated for weekly use under healthcare supervision. Always consult your doctor before starting any high-dose supplement regimen.
If you miss a dose, take it as soon as you remember. If it's close to your next scheduled dose, skip the missed dose and continue with your regular schedule. Do not double up on doses.
Anyone with existing health conditions, pregnant or nursing women, and those taking medications should consult their healthcare provider before taking high-dose vitamin D supplements.
Most people notice improvements in energy levels and overall well-being within 4-8 weeks. However, it can take 2-3 months to significantly increase vitamin D levels. Regular blood tests can help monitor your progress.
What Our Customers Are Saying
"I've been taking Ultra-D3 for three months and I feel so much more energized! My doctor even noticed improvements in my vitamin D levels."
Sarah M.
"Love these! I buy them constantly! Easy to take once a week. Doesn’t smell or taste like anything. This has helped me with being more energetic and less brain fog. I and on my 3rd packet."
Michael T.
"I tend to forget to take my vitamins - enough stuff going on. I am supposed to take D3 as I am often low on it. My pharmacist recommended a once weekly dosage so I bought Ultra-D3. I love it! I start my Monday's off with this and another once weekly med. Easy to swallow and easy to remember. SCORE!"
Jennifer L.
"Game changer and also don’t have to pay a copay just to see my doctor to get a refill script. Does what it’s suppose to do and replaces our nutritional bone needs. I have recommended this to many of my friends and family. Easy to swallow golden yellow pills once a week regimen for me."
David R.
"Living in a northern climate, I really needed this. Ultra-D3 has made such a positive impact on my health!"
Amanda K.
Ready to Experience the Benefits?
Join thousands of satisfied customers who trust Ultra-D3 for their Vitamin D needs.