Skip to content

Your cart is empty

Continue shopping

Have an account?

Log in to check out faster.

Your cart

Loading...

Estimated total

$0.00 USD

Taxes, discounts and shipping calculated at checkout.

Launch pricing · 90 days for $119.00 USD · Ends November 15

☰

Shop SIRE I Our story 90-day approach Ingredients FAQ

SIRE

Shop SIRE I Our story 90-day approach Ingredients FAQ

Account Bag (0)

FAQ

Find answers to frequently asked questions about our products and services.

A straightforward daily routine for men preparing for fatherhood. Because preparation is something we do together.

sebastian@getsire.com

Explore

Shop SIRE I Our story 90-day approach Ingredients FAQ

Here to help

Contact Account

The details

Privacy policy Refund policy Terms of service Shipping policy Cancellation policy

© 2026 Sire.Fatherhood starts before day one.United States · USD

SIRE I is a dietary supplement. 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. This information is educational, not medical advice. Consult a qualified healthcare professional before use if you take medication, have a medical condition or are under medical supervision. Supplements should not delay fertility assessment or treatment.

FREE ONE-PAGE PRINTABLE

Know where to start.

Get seven practical first steps for men preparing for fatherhood—from starting the conversation to choosing your next action. Sign up, then download your free checklist.

Email

By selecting “Get my free checklist”, you agree to receive marketing emails from SIRE. Unsubscribe at any time. No purchase required. Privacy policy

Choosing a selection results in a full page refresh.
Opens in a new window.