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Built with clinical advisors

Your fertility roadmap, built from your biology.

Healthy families start with healthy fertility.

Personalized, gene-guided protocols that show you exactly what your body needs and why it matters.

Healthy families start with healthy fertility.

Personalized, gene-guided protocols that show you exactly what your body needs and why it matters.

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Get in Touch

Genetic sequencing

Your permanent genetic baseline.

Focused biomarker analysis

Markers selected for relevance, not volume.

Adaptive daily plans

Guidance shaped by data and behavior.

Daily nutrition insights

shaped by your genes.

REWRITE combines your genetics, biomarkers, and advanced analysis to uncover key nutritional imbalances, identify root causes, and highlight the habits influencing them. Your plan updates in real time as your data evolves, providing guidance that’s personal, precise, and science-backed.

*Percentages reflect population prevalence

50%

Break down caffeine slowly: Affects hormone balance essential for fertility.

CYP1A2 variant detected: Caffeine Metabolism

90%

Choline deficiency: Affects egg and sperm quality.

PEMT variant detected: Choline Needs

70%

Folate deficiency: Affects conception and fetal development.

MTHFR variant detected: Folate Metabolism

50%

Break down caffeine slowly: Affects hormone balance essential for fertility.

CYP1A2 variant detected: Caffeine Metabolism

90%

Choline deficiency: Affects egg and sperm quality.

PEMT variant detected: Choline Needs

70%

Folate deficiency: Affects conception and fetal development.

MTHFR variant detected: Folate Metabolism

50%

break down caffeine slowly: affects hormone balance essential for fertility.

CYP1A2 variant detected: caffeine metabolism

90%

choline-deficient: affects egg and sperm quality.

PEMT variant detected: choline needs

70%

folate deficient: affects conception and fetal development.

MTHFR variant detected: folate metabolism

Our Process

Guidance that

adapts as you do

Guidance that adapts as you do

REWRITE connects genetics, biomarkers, and daily habits into a system that updates over time.

Inputs from testing and behavior are used to adjust guidance as your biology and routines change.

Rather than a fixed plan, recommendations are refined as new data is collected and patterns emerge.

Genetics once. Biomarkers every six months. Guidance updated continuously.

Test

Analyze

Daily

Protocol

Re-test

Adapt

Test

Genetic Baseline

A saliva swab is used to establish your genetic baseline. While results are processed, you track typical habits and food preferences to provide context.

Genetic sequencing

Initial habit and lifestyle inputs

Learn More

next Step

Test

Analyze

Daily Protocol

Re-test

Adapt

Test

Genetic Baseline

A saliva swab is used to establish your genetic baseline. While results are processed, you track typical habits and food preferences to provide context.

Genetic sequencing

Initial habit and lifestyle inputs

Learn More

next Step

Test

Analyze

Daily Protocol

Re-test

Adapt

Test

Genetic Baseline

A saliva swab is used to establish your genetic baseline. While results are processed, you track typical habits and food preferences to provide context.

Genetic sequencing

Initial habit and lifestyle inputs

Learn More

next Step

Who it’s for

At REWRITE, we view fertility as a critical biomarker of long-term health.

We support at every stage of the reproductive journey and beyond through a unified system of testing, clinical review, and continuous optimization.

Planning ahead

For individuals and couples considering egg freezing or sperm banking, or those looking to support egg or sperm quality before trying.

Actively trying

For individuals and couples navigating unexplained infertility, sub-infertility, or preparing for IVF who want structured, adaptive nutrition and lifestyle guidance.