No. The foods and meals you create in balantia are saved to your personal account and are not visible to other users.
Under “My Foods”, you can find:
Foods you've added manually by selecting “Create New” → “New Food”.
Foods you've created using photo or voice logging.
Meals and drinks you've saved using the “Build Your Own” feature.
Under “My Meals”, you can save entire meals containing multiple foods, so you can easily log them again without having to add each food individually.
All of these entries remain private and are available only in your account. You can edit and reuse them whenever you like, without sharing them with other app users.