What's working for @robertofirminodosantos on Instagram.

The single biggest lever for this account is post 22, a Tontri Esportes brand collaboration that earned 119 likes and 23 comments while the rest of the 29 posts averaged fewer than 4 likes each. That gap is not a fluke. It shows that third-party credibility and a clear story hook can multiply reach by 10x or more on this follower base of 1,579. The account's own content is almost invisible by comparison.

The biggest leak is caption quality. At least 3 posts (indices 6, 20, 27) have no caption at all, and most others use only hashtag lists with no opening hook. Posts that open with a direct question or a named protagonist, like post 11 ("Veja este conceito sobre idade... Comenta se concorda?") and post 14 (a named guest, Dr. Marco Aurélio), are the only organic posts with 3 or more comments. The Masterclass campaign (posts 9, 13, 15, 17, 24) drove volume but not engagement, suggesting the audience does not respond to pure promotion without context.

Posting cadence at 2.3 posts per week is below the 4-per-week benchmark for health and wellness creators at this stage. Closing that gap while fixing captions and adding more guest or testimonial content would compound quickly.