Built for male preconception
SIRE I gives men a focused daily routine for the months before trying to conceive.
Lower 48: free shipping over $100 · $5.95 otherwise
Preparing for fatherhood starts with you
SIRE I — Men’s Preconception Support
A simple daily routine for the months before trying to conceive. Take 3 capsules daily with food and water.
- Glass bottles. Metal lids.
- 3 capsules daily
- 30 days per bottle
View more product photos & Supplement Facts
Preparing for fatherhood starts with you
SIRE I — Men’s Preconception Support
A simple daily routine for the months before trying to conceive. Take 3 capsules daily with food and water.
- Glass bottles. Metal lids.
- 3 capsules daily
- 30 days per bottle
Delivered once. $5.95 standard shipping in the lower 48. Taxes at checkout.
Delivered once. Free lower-48 shipping. No recurring charges. Taxes at checkout.
$109 today and every 3 months until cancelled. Free lower-48 shipping on every delivery. Taxes at checkout.
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Secure checkout · Return policy
Your complimentary guideThe 90-Day Nutrition PlanDownload your free PDF
Offer & delivery details
The $119 one-time 3-pack saves $28 (19%) versus three $49 singles — about $1.32 per day.
Subscribe for $109 per 3-pack, saving $10 versus the one-time bundle. Pause, skip, or cancel at least 48 hours before your next billing date.
Standard shipping in the lower 48 is free over $100 and $5.95 otherwise. Both 3-pack options qualify. A complimentary SIRE Nutrition Plan is included as a download.
Take 3 capsules daily with food and water. Each bottle is a 30-day supply.
30-day returns on unused products
30-day returns on unused products
Unused products in their original packaging may be returned within 30 days of delivery. See our Return & Refund Policy for eligibility, return instructions, and full terms.
Why choose the 3-pack?90 days of SIRE, delivered once.
Save $28 compared with three $49 single bottles
Free standard shipping within the lower 48
One-time purchase with no recurring charges
Complimentary SIRE Nutrition Plan
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.
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.
Important product information
†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.