Strong Foundation™ - Vitamin K2 + D3
Strong Foundation™ - Vitamin K2 + D3 - Image 2
Strong Foundation™ – Vitamin K2 + D3

Made In The USA / Manufactured At FDA Registered and GMP Certified Facilities/ 3rdParty Laboratory Tested For Purity, Potency & Quality:
✓Gluten Free.
✓Zero Added Sugar.
✓Corn Free.
✓Lactose Free.

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Price varies by quantity:

Buy 1 $22.97
Buy 2 $20.68 ea
Buy 3+ $19.52 ea

Discount applied at checkout

 

SKU : ROC831
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Description

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Support your bones, boost your immune system, and protect your heart with Strong Foundation, our synergistic formula that ensures optimal calcium absorption and utilization where your body needs it most. Enhanced with BioPerine® for better absorption, this supplement delivers results you can feel.

          ✔ Strengthen Bones & Improve Calcium Absorption 
          ✔ Support Cardiovascular Health & Arterial Flexibility 
          ✔ Boost Immune Function & Overall Wellness 
          ✔ Promote Healthy Aging & Vitality

💧 What’s Inside?

     🔹 Vitamin D3 (125 mcg / 5,000 IU) – Helps your body absorb calcium and supports immune health, mood balance, and muscle strength.
     🔹 Vitamin K2 (MK-7) (100 mcg) – Directs calcium away from arteries and into bones where it’s needed, promoting heart and bone health.
     🔹 Calcium (210 mg) – Essential for bone density and muscular function, included in a bioavailable form.
     🔹 BioPerine® (5 mg) – Black pepper extract that enhances nutrient absorption for maximum efficacy.

🌱 Non-GMO | Vegan | Gluten-Free | No Artificial Fillers | Third-Party Tested

✨ Build Strength From the Inside Out – Choose Vitamin K2 + D3 for Daily Support!

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*These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure or prevent any disease.

Additional information

Weight 5 oz
Dimensions 3.8 × 2.3 × 2.3 in
Pack Size

Single, 2-Pack, 3-Pack

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Stop Cold Symptoms Before They Start

Gentle homeopathic ear drops that support your immune response at the first sign of fatigue or head pressure.

No pills. No grogginess. Just simple support when you need it most.

6-drops in each ear at the first sign.

  • No Drowsiness
  • Natural Support, Non-Habit Forming
  • 180-Day Money-Back Guarantee
Order Karl's Formula - Risk Free

Ships in 24–48 hours from our U.S. facility.

The problem with typical cold care

Late Start

Most remedies are taken after symptoms build. That’s lost time.

Groggy Trade-Offs

Many options can cause drowsiness or fog, which can be difficult on busy days.

Too Complicated

Multiple products, confusing directions. You want simple.

Why Ears? Why Faster?

  • Use at the first sign of fatigue or head pressure.
  • Homeopathic actives (HPUS) with a simple, gentle approach.
  • Ear application keeps it easy—no pills to swallow.
  • Clear routine: 6 drops per ear, up to 3× daily as needed.
  • No next-day grogginess.
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What You Can Expect

Helps you Act Early

Use at the first sign. Don’t wait days to respond.

Non-Drowsy Support

Stay clear-headed and active.

Simple Ear-Drop Routine

6 drops per ear. Up to 3× daily.

Gentle and Easy

Homeopathic approach; no harsh stimulants.

Travel-Ready

Small, easy to carry, simple directions.

Backed by our guarantee

Try it for 180 days—love it or your money back.

How to use

  1. At the first sign of symptoms, place 6 drops in each ear.

  2. Repeat up to 3× daily as needed.

  3. Shake gently before use.

  4. For best results, start early and follow the label directions.

Backed by our Guarantee
Active ingredients (HPUS)

Ferrum phosphoricum 10C, Natrum muriaticum 10C, Kali sulphuricum 10C.

Suggested Use

6 drops in each ear at first sign of seasonal symptoms; up to 3× daily or as directed by your healthcare provider.

Cautions & Storage

For external use only. Do not use if you have a perforated eardrum or ear drainage. If irritation, discomfort, or changes in hearing occur, discontinue use and consult a healthcare provider. Store in a cool, dry place away from direct sunlight and strong electromagnetic sources. Use within 60 days of opening.

Real Customers, Real Relief

“My cold always drags me down for days. This time I used Karl’s Formula at the first sign—felt normal the next morning.”

— Marta G., Verified Buyer

“No fog, no jitters. The ear-drop routine is easy and it travels well.”

— Ray T., Verified Buyer

“Love the guarantee. But I’m keeping mine—works for me.”

— Ellen P., Verified Buyer

See more reviews →

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Our Promise to You

  • 180-Day, 100% Money-Back Guarantee.

  • If you’re not fully satisfied, we’ll make it right—no hassles.

  • Friendly support from our U.S. team.

Frequently Asked Questions

Be Ready Before Symptoms Slow You Down

A simple, non-drowsy routine designed for early support.

Order Karl’s Formula — Risk Free
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Science & References

We summarize key findings below. Click through for full citations, methods, and links.

Immunity & Symptom Timing

Why acting early matters.

View study details
Homeopathic HPUS Monographs

What “HPUS” means and how standards work.

View study details
Ear-drop Adherence & Ease of Use

When routines are simple, people follow them.

View study details
  • Peer-reviewed sources
  • Human studies where available
  • Study links + plain-English summaries

These statements have not been evaluated by the Food and Drug Administration.
This product is not intended to diagnose, treat, cure, or prevent any disease.

Some product images are for illustration; actual label and packaging may vary.
Always follow the label directions and consult your healthcare provider.