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Day one sale
Put your health first in 2026 with free visits on all categories, and $200 off longevity testing.
Learn more

Lab Tests

Longevity
Comprehensive health testing
STI Testing
Test for 7 common STIs
Metabolic Health
Test for diabetes and more
Female Fertility
Coming Soon
Male Fertility
Coming Soon

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Psychological Erectile Dysfunction: Is It All in Your Head?
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Answers to Common Questions About Felix’s Weight Loss Program
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What Causes Rapid Weight Gain?
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Who is Eligible for Weight Loss Medications & How Can I Get a Prescription?
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Day one sale

Put your health first in 2026 with free visits on all categories, and $200 off longevity testing.

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Resources

Contact
We’re here for you
Help Center
Advice and answers
Download Our App
Available on iOS and Android
About Us
Learn more about us

Support

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Help Center
FAQ

Learn

BMI Calculator
Calorie Deficit Calculator
Blog

Further Reading

Psychological Erectile Dysfunction: Is It All in Your Head?
Learn more
Answers to Common Questions About Felix’s Weight Loss Program
Learn more
What Causes Rapid Weight Gain?
Learn more
Who is Eligible for Weight Loss Medications & How Can I Get a Prescription?
Learn more
Weight Loss
Lose weight with science
Menopause
Take control of your journey
Smoking Cessation
Commit to quitting
Migraines
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Diabetes
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Allergies
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Acid Reflux
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Acne
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Hair Loss
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Rosacea
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Female Fertility
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Longevity
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Is Tadalafil safe for me?

During your online visit you'll be asked for information about your health history for the doctor to review. Your Felix doctor will use this information to determine safety and potential side effects.