Tips For Keto Diet Affiliate Program?

What are the tips and strategies you would like to give for keto diet program? I've started building a website for fitness neche as well but it's in an initial stage so it'll probably take some time, so what are the other methods to promote an affiliate link for keto diet program?
Would appreciate any tip or trick or your personal experience, just anything. =))
Thanks!

Bump =)

Would appreciate your suggestions.
Thanks

Don't let people know the keto diet doesn't work.