How Muscle Booster writes email.
39 emails classified across 12 months, all sent through Reteno (eSputnik). Tracked since Sep 2024. Every hook, framework, offer type and CTA — on the record.
Muscle Booster is one of 973 brands tracked in the BadRep vault, classified under Health & Fitness. We've indexed 39 emails from Muscle Booster since September 2024, sent at a cadence of roughly 3.3/month through Reteno (eSputnik). Their program leans on Promotional sends with Bold Claim hooks; below is everything BadRep has noticed about how they actually write to their list.
- Steady cadence at 3.3 emails/month over 12 tracked months.
- Promotional is the dominant program — 38% of all sends (15 of 39 emails).
- Hook of choice: "Bold Claim" — opens 54% of sends.
- Subject lines average 44 characters, in the sweet spot for mobile preview (~30–50 chars).
- Leans on emoji in subject lines — 26% include one, vs catalog median of 8%.
- Promotionally heavy: 90% of emails carry an offer, with "% Off" the most common format.
How Muscle Booster stacks up in Health & Fitness.
Against the Health & Fitness field, Muscle Booster runs a more broadcast style than peers (0% personalized vs 25%), and writes far shorter emails than the norm (226 words vs 325).
| Metric | Muscle Booster | Health & Fitness median | Read |
|---|---|---|---|
| Emoji in subject | 26% | 24% | ≈ niche |
| Personalization | 0% | 25% | 0% of niche |
| Median subject length | 41 chars | 37 chars | 11% longer |
| Median body length | 226 words | 325 words | 30% shorter |
Benchmarks computed from 4,593 emails across 202 Health & Fitness brands in the BadRep vault.
What Muscle Booster does on repeat.
Most-used email types
- 01Promotional38%
- 02Upsell / Cross-sell18%
- 03Abandoned Cart18%
- 04Seasonal / Holiday10%
- 05Re-engagement5%
Most-used hook types
- 01Bold Claim54%
- 02Direct Offer36%
- 03Curiosity3%
- 04Question3%
- 05Problem3%
The last 6 months of Muscle Booster.
Latest send tracked: 15 days ago. Peak month was Feb 26 with 13 emails.
38 more emails inside. All searchable.
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Muscle Booster email FAQ.
What email platform (ESP) does Muscle Booster use?
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What offers does Muscle Booster run in email?
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