nu – Nutrition & Fasting

We are here to help

Need assistance with your account, fasting plans or data privacy? The nu team is one message away. Check the resources below or reach out directly so we can get you back on track.

Contact the team

We aim to answer every request within one business day.

Email: mateo@ostraventures.com
Hours: Monday – Friday, 9:00 – 18:00 CET
Response time: Under 24 hours for all tickets

Self-service

Find quick answers in the app:

Open the Chat tab and ask “Help center” for instant tips.
Visit Settings → Support for troubleshooting guides.
Use Settings → Data & Privacy to manage exports or deletions.

FAQs

How do I reset my password?

Open the nu app, go to the login screen and tap “Forgot password?”. We'll email a reset link to the address associated with your account.

Why is my fasting streak missing?

Be sure to log your fasting start and end times each day. If the streak still looks off, send us the missing dates and we'll investigate.

Can I export my data?

Yes. In the app, visit Settings → Data & Privacy → Export data. You'll receive a download link via email within 24 hours.

Need a human?

Our support specialists can schedule a quick call if your issue is easier to solve live. Include your preferred time window when you email us and we'll send a calendar invite.

Mailing address (for legal correspondence only):
Ostra Ventures LLC, 131 Continental Drive Suite 305, Newark, Delaware