Manuel Castro

Manuel Castro

Napkin MathNapkin Math
Cofounder @ Napkin Math

About

Building Napkin Math - the personalized AI food journal that builds a nutrionist in your pocket.

Badges

Tastemaker
Tastemaker
Veteran
Veteran
Gone streaking
Gone streaking

Maker History

  • Napkin Math
    Napkin Mathpersonalized AI food journal + nutrition coach
    Jun 2026
  • 🎉
    Joined Product HuntAugust 17th, 2019

Forums

What's your favorite food hack?

Eating fiber first to feel more full! I just down my veggies and then eat the rest of my meal and it makes such a big difference.

Nika

9d ago

How do busy founders “reset” during weekends, holidays, or vacations?

So far, the impression I have of this community and maker circles is that you work every day.

Which is great, it s one of the reasons I m here.

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