Built for male preconception
SIRE I gives men a focused daily routine for the months before trying to conceive.
Free U.S. shipping over $100 $10 flat rate under $100
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.
Preparation first
Spermatogenesis takes about 74 days, making consistency meaningful.
A daily routine
Take 3 capsules daily with food, or as directed by a qualified healthcare professional.
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.
Men planning to try in the next 3 to 6 months
SIRE I complements a balanced diet, regular movement, and other healthy daily habits.
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.
Cellular energy
CoQ10, L-Carnitine, and Alpha-Lipoic Acid
Antioxidant defense
NAC, Selenium, Vitamin E, Lycopene, and Vitamin A.
DNA and structure
Folate, B12, B6, Zinc, and Copper.
Stress support
Ashwagandha.
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
DivisionSpermatogonial stem cells undergo mitosis — one daughter self-renews, the other commits to sperm production
DivisionSpermatogonial stem cells undergo mitosis — one daughter self-renews, the other commits to sperm production
Week 6Cell
DifferentiationMeiosis I begins — homologous chromosomes pair, cross over, and divide to generate unique genetic combinations
DifferentiationMeiosis I begins — homologous chromosomes pair, cross over, and divide to generate unique genetic combinations
Week 9Structural
AssemblySpermatids elongate and construct the acrosomal cap, mitochondria-rich midpiece, and nascent flagellum
AssemblySpermatids elongate and construct the acrosomal cap, mitochondria-rich midpiece, and nascent flagellum
Week 12Motility
ActivationSpermatozoa acquire forward progressive motility through epididymal maturation and capacitation
ActivationSpermatozoa 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.
GMP Certified
Produced in a GMP-certified facility.
USA Made
Made in the USA.
Non-GMO
Made with non-GMO ingredients.
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.
Is this a subscription?
The $119 3-pack and $49 single are one-time purchases. If you select Subscribe, three bottles cost $109 today and every 3 months until cancelled. Free lower-48 shipping applies to each subscription delivery.
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.
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.