#1 Natural Bone Health!
Vitamin D3 K2™
Vitamin D3 K2™
Energy Support
Immune Boost
Heart Health
Strong Bones
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Vitamin D3 K2™
Frequently Asked Questions
Frequently Asked Questions
1. What does Vitamin D3 K2™ do?
Our formula supports strong bones, healthy teeth, and optimal calcium utilization. Vitamin D3 helps your body absorb calcium, while K2 directs it to where it’s needed—bones and teeth—keeping it away from arteries. This duo also promotes immune function and cardiovascular health.
2. When should I take it?
Most people take 1 softgel daily, either:
In the morning with food for better absorption
During colder months or low-sunlight days for extra immune support
As part of their daily bone and heart wellness routine
3. Will it make me sleepy?
Not at all. Vitamin D3 K2™ supports your body’s natural functions without causing drowsiness. You can take it anytime without worrying about your energy or alertness.
4. Is it habit-forming?
Nope! Vitamin D3 K2™ is non-addictive, safe for daily use, and free from stimulants, GMOs, and artificial additives.
5. What makes Vitamin D3 K2™ different?
10,000 IU of pure Vitamin D3 + 200 µg of premium K2 (MK-7) in one easy-to-swallow softgel—paired with organic coconut oil for smooth, efficient absorption. No fillers. No fluff. Just results.
6. Is there a guarantee?
Yes! You’re covered by our 30-day, no-questions-asked guarantee. Don’t feel the difference? Get a 100% refund—simple as that.
About Us
About Us
Formulated by Science. Built for Life.
At SYNRG, we don’t chase trends—we follow the research. Our mission is simple: to create high-performance supplements that actually work. Every ingredient we use is backed by clinical science, and every formula is crafted with care, clarity, and uncompromising standards.
Wellness, Simplified
We believe wellness should feel powerful—not complicated. Whether it’s calming the mind, fueling sharper focus, or optimizing recovery, our products are designed to support your body’s natural balance, without shortcuts or synthetic fillers.
What Sets SYNRG Apart
Clean, effective formulas
Clinically studied ingredients
GMO-free, gluten-free, lab-tested
Formulated for results—not hype
Invest in Your Longevity
With SYNRG, you're not just supplementing your health—you’re investing in your longevity.
30-Day Money Back
30-Day Money Back
Try SYNRG Risk-Free
We’re confident in the science, the purity, and the results behind every supplement we make. That’s why we offer a 30-day, no-questions-asked money-back guarantee.
If you don’t feel a difference in your focus, calm, sleep, or overall well-being, just let us know.
We’ll refund your purchase—no hassle, no stress.
Because wellness should come with confidence.
Why Vitamin D3 K2?
Here are four compelling reasons why someone should take SYNRG Vitamins Supplement D & K
Supports Bone Strength
Enhances calcium absorption and directs it to your bones, helping maintain density, resilience, and long-term skeletal health.
Promotes Heart Health
Works to keep calcium from depositing in arteries, supporting flexible blood vessels and overall cardiovascular wellness.
Boosts Immune System
Strengthens your body’s defenses and helps you stay resilient against seasonal challenges, especially during low sunlight months.
Maintains Healthy Teeth
Directs vital minerals to your teeth to keep them strong, durable, and resistant to everyday wear.
40,000+ Sold!
Join thousands of people who have seen life-changing results with our product.
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Life-Changing for My Health!
I’ve been taking Vitamin D3 K2™ for a little over a month, and I can already feel the difference. My energy is up, my winter blues are gone, and I feel stronger overall. I love that it’s a high dose with K2 included, so I know the calcium is going exactly where it should. The softgels are tiny and super easy to swallow, plus no weird aftertaste. This is definitely staying in my daily routine!
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Exactly What I Needed for My Health!
I started taking Vitamin D3 K2™ a couple of weeks ago, and I already notice a boost in my mood and overall energy. Living in a place with long winters, I really needed that extra D3, and the added K2 gives me peace of mind about calcium absorption. The softgels are small, easy to swallow, and I love that they’re made with coconut oil for better absorption. Highly recommend to anyone looking to support their bones, heart, and immune system!
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A Game-Changer for My Wellness!
I’ve been using Vitamin D3 K2™ daily for the past month, and the results are amazing. My energy feels more stable throughout the day, and I’ve noticed my mood is much brighter—especially during cloudy days here in Oregon. I love that it combines high-dose D3 with K2 for proper calcium support, and the coconut oil base makes me feel confident I’m getting the most out of every dose. The packaging is great, and the softgels are super easy to take. Highly recommend!
Our happy customers aren't just reviews;
they're living proof that our formula delivers real results.
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
Made In U.S.A
Free Of Side Effects
3 Years Of Research
🔒 The SYNRG Guarantee
We stand by the power of strong bones, a healthy heart, and a resilient immune system. That’s why every purchase of Vitamin D3 K2™ is backed by our 30-day money-back guarantee. Experience noticeable improvements in your bone density, calcium absorption, and overall wellness—or receive a full refund, no questions asked. You’ve got nothing to lose—except the risks of weak bones and poor calcium balance.
Trustpilot reviews
Excellent 4.8 / 5
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My Bones Feel Stronger Than Ever
After just six weeks of taking Vitamin D3 K2™, I can honestly say I feel more energetic and my joints feel less stiff. I love knowing that my calcium is actually going to my bones and not my arteries. The small softgels are so easy to take, and I really appreciate the quality and transparency of the ingredients. Highly recommended!
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Perfect for Winter Wellness
Living in Minnesota, sunlight is rare for months. Since starting Vitamin D3 K2™, my mood has lifted, my immune system feels stronger, and I haven’t had that sluggish winter fatigue. I also like the added K2—it’s the perfect combo for bone and heart health. Will definitely keep buying!
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Easy to Take and Works Fast
I started Vitamin D3 K2™ to help with my vitamin D levels, and within a couple of weeks, I felt more energetic and focused. The softgels are tiny, have no aftertaste, and the coconut oil makes me confident I’m absorbing it well. This is now a permanent part of my daily routine!
