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SIRE I

Sire 1 Fertility Support for Men - 1 Month Supply

Sire 1 Fertility Support for Men - 1 Month Supply

Premium male preconception support designed for the 90-day preparation window.

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GMP Certified FacilityUSA MadeNon-GMOFDA Registered Facility

Subscriptions renew every 3 months. Pause, skip, or cancel at least 48 hours before your next billing date.

Quantity
Why subscribe?A 90-day supply delivered on your schedule.
Save $20 compared with the 3-month one-time purchase
Free SIRE Nutrition Plan with your first subscription
Free U.S. shipping on subscription orders
Pause, skip, or cancel at least 48 hours before renewal
What is SIRE I?

SIRE I is a male preconception supplement designed for a consistent 90-day preparation routine.

How does SIRE I work?

SIRE I combines vitamins, antioxidants, and botanicals for men preparing in the months before trying to conceive.

How do I take it?

Take 3 capsules daily with food, or as directed by a qualified healthcare professional.

What is inside?

See the Supplement Facts panel for every ingredient and amount.

90-day money-back guarantee

Try SIRE I with confidence. Your purchase is covered by our 90-Day Money-Back Guarantee. See our Return & Refund Policy for eligibility, return instructions, and full terms.

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GMP CertifiedMade in a GMP Certified Facility
USA MadeProudly Made in South Carolina
Non-GMONon-GMO Ingredients
FDA RegisteredMade in an FDA-registered facility
Overview

A more intentional 90-day routine.

Preparing for fatherhood is a shared journey. SIRE I gives men a focused way to prepare in the months before trying to conceive.

Product overview

Built for male preconception

SIRE I gives men a focused daily routine for the months before trying to conceive.

90-day window

Preparation first

Spermatogenesis takes about 74 days, making consistency meaningful.

Daily routine

A daily routine

Take 3 capsules daily with food, or as directed by a qualified healthcare professional.

Quality

Standards

Made in the USA in an FDA-registered, GMP-certified facility with non-GMO ingredients.

Fit

Who SIRE I is for.

SIRE I is for men who want to take a more intentional role in preconception. It complements a balanced diet, regular movement, and a consistent daily routine.

Who it is for

Men planning to try in the next 3 to 6 months

SIRE I complements a balanced diet, regular movement, and other healthy daily habits.

Who it is not for

Not a treatment or medical replacement

SIRE I is not a fertility treatment, medication, or substitute for individual medical advice.

Formula overview

Fifteen active ingredients.

Fifteen nutrients and botanicals, with every ingredient and amount clearly listed on the Supplement Facts panel.

Pillar 1

Cellular energy

CoQ10, L-Carnitine, and Alpha-Lipoic Acid

Pillar 2

Antioxidant defense

NAC, Selenium, Vitamin E, Lycopene, and Vitamin A.

Pillar 3

DNA and structure

Folate, B12, B6, Zinc, and Copper.

Pillar 4

Stress support

Ashwagandha.

The Science Behind SIRE I

The Spermatogenesis Cycle

From a single stem cell to a fully motile spermatozoon — the body's 74-day process of cellular renewal, precision assembly, and biological legacy.

Week 1Stem Cell
Division
Spermatogonial stem cells undergo mitosis — one daughter self-renews, the other commits to sperm production
Week 6Cell
Differentiation
Meiosis I begins — homologous chromosomes pair, cross over, and divide to generate unique genetic combinations
Week 9Structural
Assembly
Spermatids elongate and construct the acrosomal cap, mitochondria-rich midpiece, and nascent flagellum
Week 12Motility
Activation
Spermatozoa acquire forward progressive motility through epididymal maturation and capacitation

74 days. The full span from stem cell to ready - the preparation window SIRE I is designed to complement.

Quality

Made with visible standards.

Made with clear manufacturing standards and a formula you can inspect.

Manufacturing

GMP Certified

Produced in a GMP-certified facility.

Origin

USA Made

Made in the USA.

Standards

Non-GMO

Made with non-GMO ingredients.

Facility

FDA Registered

Produced in an FDA-registered facility.

FAQ

Frequently asked questions.

When should I start SIRE I?

For preconception support, begin SIRE I at least 90 days before you plan to start trying to conceive. For personalized guidance, speak with a qualified healthcare professional.

Can I cancel my subscription?

Yes. You can cancel, pause, or skip your subscription through your customer account or the subscription-management link in your emails. To avoid your next charge, make changes at least 48 hours before your next scheduled billing date.

Is SIRE I a medical treatment?

No. SIRE I is a dietary supplement, not a medical treatment. It is not intended to diagnose, treat, cure, or prevent any disease. If you have questions about fertility, medications, or an existing health condition, speak with a qualified healthcare professional.

Disclaimer

Important product notes.

Important information

Medical/legal disclaimer

†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. The information on this website is for educational purposes only and is not medical advice. SIRE I is a dietary supplement and is not a substitute for professional medical evaluation, diagnosis, or treatment. Consult a qualified healthcare professional before use if you have a medical condition, take medications, are under medical supervision, or are using fertility treatments. Individual results may vary.