Unlimited questions
Free to access with every Sperm Test
Your lab results. Your lifestyle. Your questions. Ask Jack makes sense of it.
Ask Jack reads a real result.
No awkward Googling. No jargon spiral. Tap a question to start.
Ask Jack reads diet, exercise, heat, sleep, stress, alcohol, smoking, substances, BMI, work and environment alongside the lab numbers.
Ask Jack
Guided demo. Your own questions live in your account.
What would you ask first?
Pick a question below. Ask Jack does the rest.
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Don't guess. Test. Ask Jack.
Get testedAsk Jack helps explain sperm health, Jack results and relevant lifestyle factors. It does not provide medical advice, diagnosis or treatment. General sperm health guidance is based on peer-reviewed, population-level research and should not be treated as a personal medical assessment. If you have concerns about your fertility or wider health, speak to a qualified clinician.
Built with input from our scientific advisors.
Most men Ask Jack questions they wouldn’t have asked face-to-face.
8 in 10, to be precise. 9 in 10 said it helped them make sense of their results.
Why:
- Less awkward than asking a person.
- Always there when a question came up.
- Private. No judgement, no pressure.
Survey of 49 Jack users, April 2026.
With you every step of the way
Jack walks you through collection, step by step. Interactively. No guesswork, no confusion.
Private. By design.
Your conversations with Jack aren't stored.
Your data is not sold or shared.
It's never used to train other AI models.