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Shayne McCarthy is a verified Health creator on Instagram, tracked in the InstME index with 31.7K followers. Shayne McCarthy has shared 1,338 posts to date, currently less than one post a week. Posts average 174 likes and 45 comments, an engagement rate of 0.69%.
H2waterexpert has built an audience of 31.7K followers on Instagram over 1,338 posts as a Health account.
Among 1,016 Health accounts with 10K–100K followers in the InstME index, H2waterexpert's 0.69% engagement rate comes in above the median of 0.58%.
Comments arrive at about one per 4 likes, a sign of an unusually discussion-heavy audience.
H2waterexpert maintains a rhythm of less than one post per week.
Audience-quality analysis puts H2waterexpert at 100/100; roughly 0% of followers look low-quality or inactive, a strong signal of genuine reach.
Estimated sponsored-post value
$110–$210
Based on 31.7K followers and a 0.69% engagement rate, a single sponsored post by H2waterexpert is worth an estimated $110–$210. This is a modeled range, not a quoted rate, actual pricing varies by niche, content format, usage rights and exclusivity.
Audience Health
~0% of followers look low-quality or inactive.
View Full AuditThere’s more behind this audience. See what the full audit reveals.Audience (estimated)
Est.| Metric | H2waterexpert | Cohort median |
|---|---|---|
| Engagement rate | 0.69% | 0.58% |
| Average likes | 174 | 136 |
| Average comments | 45 | 10 |
| Posts per week | 0.08 | 0.52 |
Median values from 1,016 Health accounts with 10K–100K followers in the InstME index, refreshed Jul 19, 2026.
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Last reviewed: Jul 15, 2026
Shayne McCarthy is a verified health creator on Instagram, with 31.7K followers.
Shayne McCarthy posts on Instagram as @h2waterexpert.
Shayne McCarthy has 31,663 followers on Instagram (31.7K) as of Jul 15, 2026.
Shayne McCarthy's engagement rate is 0.69%, calculated from average likes and comments per post relative to followers. That is above the median of 0.58% for Health accounts with 10K–100K followers in the InstME index.
Posts by Shayne McCarthy average 174 likes and 45 comments.
Shayne McCarthy posts less than once a week on average.
InstME's audience-quality analysis estimates about 0% of Shayne McCarthy's followers are low-quality or inactive, giving an audience-quality score of 100/100.
Shayne McCarthy is registered as a creator account on Instagram and is verified.
Shayne McCarthy is categorized as a health account in the InstME index, based on the profile's bio and Instagram category across 1,338 posts.
Avg Comments
45
More women than men · mostly 25–44
Typical for Health creators, modeled from the niche, not measured for this account.
Content Focus
Primary: Health
Engagement
0.19%
Yes. Shayne McCarthy carries the blue verified badge on Instagram.
A sponsored post from Shayne McCarthy is estimated at $110 to $210. This is a model based on audience size and engagement, not a rate card, so real pricing is set by the creator.
