Introductory Pricing — Up to 70% Below Retail  ·  Shop Now →
No markup. No nonsense.

Premium Supplements
at Cost Price.

We show you exactly what we pay — and charge you just a little more. That's it. No mystery margins, no influencer markups.

Shop All Vitamins How Pricing Works
60%
Average savings vs. retail
100%
Transparent pricing
3rd party
Lab tested & verified
Free
Shipping over $35

How It Works

Radical Pricing Transparency

🏭

We Source Direct

We work directly with manufacturers — no middlemen, no distributor markup.

💰

We Show Our Cost

Every product page shows exactly what we paid. No hidden margins.

We Add a Little

We add a small margin to keep the lights on. That's the whole business model.

📦

You Save Big

Same quality as brands charging 3x more. You keep the difference.

C+

Best Sellers

View all →
Magnesium Glycinate
Magnesium Glycinate
400mg · 120 capsules · High absorption
$12.99
$28.00 elsewhere
Save 54%
Vitamin D3+K2
Vitamin D3 + K2
5000 IU D3 · 100mcg K2 · 90 softgels
$10.99
$24.00 elsewhere
Save 54%
Omega-3 Fish Oil
Omega-3 Fish Oil
High EPA · 2g per serving · 90 softgels
$14.99
$32.00 elsewhere
Save 53%
Ashwagandha KSM-66
Ashwagandha KSM-66
600mg · Certified extract · 90 capsules
$13.99
$29.00 elsewhere
Save 52%
NAC
NAC
600mg · N-Acetyl Cysteine · 120 caps
$11.99
$26.00 elsewhere
Save 54%
CoQ10 Ubiquinol
CoQ10 Ubiquinol
300mg · Active form · 60 softgels
$18.99
$42.00 elsewhere
Save 55%
🫐
Berberine
500mg · 3x daily · 90 capsules
$15.99
$34.00 elsewhere
Save 53%
🔋
PQQ + CoQ10
20mg PQQ · 200mg CoQ10 · 60 caps
$22.99
$52.00 elsewhere
Save 56%
🧪
3rd Party Tested
Every batch verified
🏭
GMP Certified
FDA-registered facilities
📋
Full Transparency
We show our cost
🔄
Subscribe & Save
Extra 10% off every order
🚚
Free Shipping
On orders over $35

Our Promise

We Show You Everything

Other supplement brands mark up 300–500%. We think that's wrong. Here's exactly what a bottle of Magnesium Glycinate costs us — and what we charge you.

Magnesium Glycinate 400mg — Cost Breakdown

Raw ingredients + manufacturing $4.20
Bottle, label, packaging $1.10
Fulfillment + shipping $2.80
3rd party testing $0.40
Our margin (operations) $4.49
You pay $12.99
vs. typical retail ($28) You save $15.01
C+

Health & Wellness Blog

Know What You're Taking.

Science-backed articles on supplements, nutrition, and living better — without the marketing fluff.

🧠
Magnesium

Why 68% of Americans Are Magnesium Deficient (And What To Do About It)

Most people don't get enough magnesium from food alone. Here's what the science says about supplementation, which form works best, and how much you actually need.

5 min read · May 2026 Read More →
☀️
Vitamin D

Vitamin D3 vs D2: Why the Difference Matters More Than You Think

Not all vitamin D is created equal. D3 raises blood levels significantly more than D2 — and pairing it with K2 could be one of the smartest things you do for your health.

4 min read · May 2026 Read More →
💊
Industry Truth

The Supplement Markup Scandal: Why You're Paying 4x Too Much

The average supplement brand charges 300–500% above manufacturing cost. We break down exactly where your money goes — and why Cost Plus Vitamins was built to fix this.

6 min read · May 2026 Read More →