Skip to main content
Main menu
Shop $25.90 (opens in new window)

The reinvention of the vitamin C drink

Immune & Eye Health,
Zero Compromise

500 mg non-acidic vitamin C with anthocyanin-rich bilberry and black currant — no calories, no sugar, no carbs.

500mg Vitamin C Zero Sugar Zero Calories 30 servings
$25.90 Original price $29.90 , Save $4.00
Shop on ProCaps Labs — $25.90 (opens in new window) Start Learning →
Efficient C™ Mixed Berry powder drink mix packets from ProCaps Laboratories

Explore

Learn About Efficient C

The reinvention of the vitamin C drink — supporting immune and eye health with zero calories, sugar, or carbs.

Zero Sugar

Why Efficient C

Reinventing the vitamin C drink — no calories, carbs, or artificial sweeteners.

Learn more →
Non-Acidic C

Immune Health

Ideal 500 mg vitamin C plus B-complex for healthy immune function.

Learn more →
Anthocyanins

Eye Health

Bilberry and black currant extracts for immune and eye support.

Learn more →
The Formula Science Video Reviews
No artificial colorsNo preservativesNo fillersNo lubricantsNo stabilizers

Reviews

Rated 4.6 Stars

Based on 51 reviews

See what people are saying about Efficient C™ Mixed Berry.

Read reviews →

Quality and trust guarantees

  • No Artificial Colors
  • No Preservatives
  • No Fillers
  • 60-Day Money Back
  • Free Shipping $29.90+
  • Trusted 45+ Years

Efficient C™ Mixed Berry is manufactured by ProCaps Laboratories — the supplement brand trusted for over 45 years.

When You're Ready

Efficient C™ Mixed Berry is available at manufacturer-direct pricing from ProCaps Laboratories — 30 servings, free ground shipping on orders over $29.90.

$25.90 Manufacturer suggested retail price $29.90 MSRP
Shop on ProCaps Labs — $25.90 (opens in new window)

Continue to ProCapsLabs.com to complete your order