Clann13 / Stacks / Shred StackShips every 4 weeks or once
C13 -  BerberineC13 - Focus Powder (Sour Candy)C13 - Hydration Powder (Lemonade)C13 - L-GlutamineC13 - Normal Blood Sugar Support
SHREDCutting phase · weigh-ins · off-season

Shred stack.

For the weeks you are leaning out.

Energy, hydration and focus for a cutting phase: five products picked to support the routine you are already running.

Something went wrong adding the stack. Please try again or contact us.

$189.68 if you bought the five separately · Free US shipping · First box 20% off with code STACK20

Subscription renews at $129 every 4 weeks until you cancel. Cancel anytime from your account.

01What's in the box
C13 -  Berberine

Berberine

$39.90 on its own

Label & details →
C13 - Focus Powder (Sour Candy)

Focus Powder (Sour Candy)

$39.90 on its own

Label & details →
C13 - Hydration Powder (Lemonade)

Hydration Powder (Lemonade)

$39.99 on its own

Label & details →
C13 - L-Glutamine

L-Glutamine

$39.99 on its own

Label & details →
C13 - Normal Blood Sugar Support

Normal Blood Sugar Support

$29.90 on its own

Label & details →
Separately $189.68As a stack $129You keep $60.68
02How it works
01

Add the stack

Five full-size products at one price.

02

Every 4 weeks

Your box ships to your door. Free in the US.

03

Skip, swap or cancel

All from your account. No phone calls.

Who it's for: Cutting phases, weigh-ins and off-season resets.

03Questions
01How does the subscription work?

Your stack ships every 4 weeks at the same price. Skip a box, swap stacks or cancel any time from your account. No phone calls.

02Is one-time purchase the same price?

Yes. One box is $129 either way. Subscribe if you don't want to run out.

03How much is shipping?

Shipping is free on every stack in the US.

04Can I use STACK20?

Yes. Enter STACK20 at checkout for 20% off your first box.

05How long does one box last?

About 4 weeks of daily use for one person. Exact servings are on every label.

06Are the products tested?

Yes. Clann13 products are third-party tested and made in the USA.

07Should I talk to my doctor first?

Yes, especially if you take medication, are pregnant or nursing, or have a medical condition. Read every label before use.

*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease. Talk to your doctor before starting any supplement. Read every label before use.