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How Levels does email marketing

Health & Fitness

22 campaigns · www.levels.com · RSS

Levels helps you understand how food, sleep, exercise, and stress affect your body, so you can make changes that improve energy, appetite, and long-term metabolic health.

Levels sends about 3 campaigns a week, most often on Tuesday and Thursday around 12pm US Eastern. Its median subject line runs 36 characters.

An early read: 22 campaigns over 48 days, sent Aug 19 to Oct 6, 2026. Treat these as first signs; they firm up past 30 campaigns and six weeks of mail. Each figure is set against the typical Health & Fitness brand: the median of 17 Health & Fitness brands in the archive with at least 12 campaigns.

Campaigns a week
3.2 20% less than typical (4.0)
Median subject length
36chars About the same as typical (33 chars)
Median words
362 88% more than typical (193)
Discount in the subject
0% 12 points below typical (12%)
Copyable promo code
0% 3 points below typical (3%)

Latest Levels emails

All 22 campaigns
Levels SendGrid

Why a normal thyroid test can still miss something

Levels SendGrid

Is whole-body MRI worth it?

Levels SendGrid

Our best plans now cost less

Levels SendGrid

The most underrated organ for blood sugar 

When Levels sends

Tuesday and Thursday are the busiest days, within two points or one email of each other (up to 40% of sends). 12pm is the most common hour (up to 70% of sends). Across 20 scheduled campaigns; welcome, cart and order emails are left out because they go out when a subscriber acts. Times are US Eastern.

Day of week

Show days as a table
Levels campaigns sent on each weekday
DayCampaignsShare
Monday00%
Tuesday735%
Wednesday210%
Thursday840%
Friday15%
Saturday00%
Sunday210%

Hour of day (US Eastern)

Show hours as a table
Levels campaigns sent in each hour, US Eastern
Hour (US Eastern)CampaignsShare
12am00%
1am00%
2am00%
3am00%
4am00%
5am00%
6am00%
7am00%
8am00%
9am00%
10am00%
11am210%
12pm1470%
1pm00%
2pm00%
3pm00%
4pm00%
5pm00%
6pm00%
7pm00%
8pm00%
9pm420%
10pm00%
11pm00%
A Levels campaign sent in its busiest slot
Levels SendGrid

Is any amount of alcohol dangerous?

Levels subject lines

The median runs 36 characters across 6 words, against 33 for the typical Health & Fitness brand.

  1. “Why a normal thyroid test can still miss something” 50 chars · Oct 6
  2. “Is whole-body MRI worth it?” 27 chars · Oct 1
  3. “Our best plans now cost less” 28 chars · Sep 30
  4. “The most underrated organ for blood sugar ” 42 chars · Sep 29
  5. “Is any amount of alcohol dangerous?” 35 chars · Sep 24

What Levels sends

Newsletters and Surveys & Feedback tie as the campaigns Levels sends most, at 5% each. Welcome, cart and order emails were set off by our own signup, so they do not count toward that.

Other 18 campaigns · 82%
Newsletters 1 campaign · 5%
Welcome & Onboarding Set off by our signup 1 campaign · 5%
Abandoned Cart Set off by our signup 1 campaign · 5%
Surveys & Feedback 1 campaign · 5%

The stack behind the sends

Levels sends with SendGrid and publishes a DMARC reject policy.

Sends with

SendGrid

Domain authentication

DMARC: reject

Mail failing authentication is rejected outright, the strictest setting.

SPF also authorizes MailerSend, Google Workspace and Amazon SES to send as this domain, which usually means other tools sit alongside SendGrid.

The median Levels campaign carries 6 images.

Compare Levels with Mars Men and Hume

See how Mars Men and Hume send, same industry and measured the same way. Or compare with every Health & Fitness brand and the whole archive.

How this is measured

Every figure comes from real Levels emails captured in Inbox Archive, not from a survey or a vendor report. Medians and the campaign mix appear once a brand has 12 campaigns archived, and the day and time charts once 12 of them are scheduled sends. “Typical Health & Fitness brand” is the median across the 17 Health & Fitness brands that clear the same bar, each counted once however much it sends. Campaign types are sorted automatically. Discounts are read from subject lines, and a copyable code counts only when one appears in the email, so offers applied at checkout are missed.