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4.9/5 | #1 Rated At-Cost Supplements
CardioCal™ Strips
$34.62USD
| Member Price:
$12.82USD
63% off
Fast-dissolving vitamin D3 & K2 strips to support strong bones and healthy calcium balance.
Support your wellness routine with Monthlees CardioCal Strips, a convenient and easy-to-take oral supplement formulated with Vitamin D3 and Vitamin K2. These essential nutrients play complementary roles in helping to maintain normal calcium absorption and supporting the body’s natural bone health processes.
Vitamin D3 and Vitamin K2 work together to support the body’s natural calcium utilization and bone maintenance functions. These essential nutrients play complementary roles in helping to maintain healthy calcium metabolism and contribute to the support of strong bones and teeth.*
Each delicious raspberry-flavored strip dissolves quickly on your tongue for on-the-go support — no water or swallowing required. Simply place one strip on your tongue and allow it to dissolve, up to a maximum of one strip per day, as part of your daily self-care routine.
Unlock member pricing: Save 63% with a Monthlees membership.
Try monthlees products for 30 days!
We stand 100% behind every product we make. Try monthlees supplements for 30 days and if you're not satisfied, contact our friendly support team at support@monthlees.com to discuss a refund, returns, & store credit options.
Third-Party Tested
GMP Certified
Non-GMO
FDA Compliant
Quality Guaranteed
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Why Use CardioCal™ Strips?
CardioCal™ Strips deliver vitamin D3 and K2 in a convenient, fast-dissolving strip to support bone strength, calcium balance, and overall skeletal health.
Supports bone density
Provides key nutrients like vitamin D3 and K2 that support healthy bone density and strength when combined with a balanced diet and exercise.
Maintains healthy calcium balance
Vitamin D3 supports calcium absorption, while vitamin K2 helps direct calcium to bones and away from soft tissues.
Third-party tested quality
Every batch is tested for purity and potency, so you get exactly what’s on the label in each strip.
In One Serving of CardioCal™ Strips
CardioCal™ Strips complements a healthy diet. It's easy to incorporate into any lifestyle or health regimen without overdoing it.
SERVING SIZE1 strip
Calcium
Vitamin D3
Vitamin K2 (MK-7)
BioPerine® (Black Pepper Fruit Extract)
FREE OF
- Artificial Sweeteners
- GMOs
- Gluten
DIET FRIENDLY
- Vegan
High-quality ingredients
Every serving of CardioCal™ Strips works to deliver comprehensive daily nutrition with ingredients that are carefully sourced for absorption, potency, and nutrient density.
Calcium
Provides the structural mineral needed for strong bones and teeth.
Vitamin D3 (2000 IU)
Supports calcium absorption from the gut and plays a key role in bone health and immune function.
Vitamin D3 is widely studied for its role in bone density, calcium balance, and immune support.
Vitamin K2 (MK-7) (120 mcg)
Helps direct calcium into bones and away from soft tissues by activating key vitamin K–dependent proteins.
Vitamin K2 (MK-7) is studied for its role in supporting bone mineralization and healthy calcium handling.
BioPerine® (Black Pepper Fruit Extract)
Commonly used to support nutrient absorption and bioavailability.
See The Difference
monthlees vs. The Competition
Why pay more for less? See how we stack up.
| Feature | monthlees | Retail Brands | Amazon |
|---|---|---|---|
| Price | Wholesale cost | 300-500% markup | 150-300% markup |
| Third-Party Testing | Sometimes | Rare | |
| Clinical Doses | |||
| Full Ingredient Transparency | |||
| Certificate of Analysis | |||
| Free Shipping Options | Prime Only | ||
| Member Savings | 50-70% | 0% | 10-20% |
| Cancel Anytime | N/A | N/A |
Price
monthlees
Wholesale costRetail
300-500% markupAmazon
150-300% markupThird-Party Testing
monthlees
Retail
SometimesAmazon
RareClinical Doses
monthlees
Retail
Amazon
Full Ingredient Transparency
monthlees
Retail
Amazon
Certificate of Analysis
monthlees
Retail
Amazon
Free Shipping Options
monthlees
Retail
Amazon
Prime OnlyMember Savings
monthlees
50-70%Retail
0%Amazon
10-20%Cancel Anytime
monthlees
Retail
N/AAmazon
N/ABased on industry research and publicly available data for mass-market supplements.
Fast-dissolving vitamin D3 & K2 strips to support strong bones and healthy calcium balance.
Real Members, Real Savings
See why thousands of health-conscious & budget-conscious buyers trust Monthlees
Michael R.
Austin, TX
I was spending over $300/month on supplements from various brands. With Monthlees, I get the same quality — actually better, since everything is tested† — for less than half. My stack costs me $120 now.
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Sarah K.
Denver, CO
As someone deep into the longevity space, I appreciate that Monthlees only carries clinically-dosed products. No mystery ingredients. Just transparent, effective† supplements at fair prices.
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David L.
Seattle, WA
I've tried every subscription box and DTC brand out there. Monthlees is different — it's like Costco for supplements. I'm saving 50%+ on my monthly† essentials without compromising on quality.
Monthlees Plus Member
Jennifer M.
Miami, FL
The transparency is what sold me. I can see exactly what's in each product, where it's sourced, and the testing results. Plus the savings are incredible.† My husband and I both use Monthlees now.
Monthlees Core Member
Chris T.
San Diego, CA
As a biohacker, I was skeptical because I'm used to paying an arm and a leg for supplements. But the quality is legit — these are premium formulas† at wholesale prices. The membership pays for itself in my first order every month.
Monthlees Plus Member
