Postfield
For fitness brands

Fitness content from people who actually train

Gyms, studios, equipment and activewear brands get real people posting real workouts with your approved message. Disclosed on every post.

Fitness content is personal. Viewers follow people, not logos, and they watch for form, effort and honesty. A slick brand video gets a scroll. A sweaty real person saying "day 9, legs are done" gets a watch.

Postfield puts your product in the hands of vetted Air Fresh Marketing ambassadors who train. They use your gear, take your class or try your app, then post your approved hooks from their own accounts. Every caption opens with #ad and the paid-partnership label is on, so your brand stays clean while the content stays human.

Because many people post at once, you can test formats fast. Workout demo, progress diary, gym bag check. Keep what works, drop what doesn't, and see every post on one results page.

Disclosure matters more in fitness than people think. Viewers are used to sponsored gear and paid challenges, and they reward honesty. A clear #ad up front tells them what the relationship is, so they can judge the workout on its merits. It also keeps the post eligible for TikTok's For You feed, which can restrict commercial content that isn't disclosed.

Progress diaries need real time

A 30-day challenge only works if someone actually does 30 days. Our posters run multi-week series on their own accounts.

Local gyms, local faces

Studios and gym chains can match posters to their markets. Air Fresh staff live in cities across the U.S.

Gear in real use

Equipment and activewear look different mid-workout than on a model. Real training footage shows fit, grip and durability honestly.

A 6-week campaign plan you can copy

Drive trial signups for a studio or app with a multi-week challenge series.

Hooks to test
  • “Day 1 of 30 using only this program”Score it
  • “Stop doing this on leg day”Score it
  • “I tried the class everyone talks about. Honest take”Score it
  • “What I eat after a 6am workout”Score it
  • “POV: you finally hit a pull-up”Score it
Formats
  • Challenge diary
  • Form check or demo
  • What's in my gym bag
  • Class review
Experiments
  • Challenge diary vs. one-off review
  • Morning vs. evening posting
  • Coach voiceover vs. on-screen text
  1. Phase 1
    Week 1: posters start the program or class, accounts warm up in fitness
  2. Phase 2
    Weeks 2 to 4: daily diary posts plus demos, 8 hook variants
  3. Phase 3
    Week 5: cut losing formats, scale winners
  4. Phase 4
    Week 6: wrap-up posts and a published results page

Platforms: TikTok + Instagram Reels. Every post: #ad up front, the platform's paid-partnership label, a real person's own account, no bought engagement.

Compliance notes for fitness brands

Results claims need care

Weight loss and body-change claims are high risk. Posters describe their own experience only, never typical results. Brand legal approves any numbers. This is general information, not legal advice. Ask your counsel.

Paid is paid

Free memberships and gear are material connections. Every post gets #ad plus the platform label, including challenge series and check-ins.

General information, not legal advice. See our compliance model.

FAQ

Do posters have to be trainers?

No. Most are regular people who work out. That's often more relatable. For instruction content, we can match posters with certifications if you need them.

Can we target specific cities?

Yes. Air Fresh has ambassadors in many U.S. markets. Tell us where your locations are.

Are posts disclosed even in challenge series?

Every single post. The first post and the 30th both carry #ad and the platform label.

What does it cost?

See the plan math below, or try the UGC calculator with your own numbers.

Can posters show their real progress numbers?

Yes, if they're true and the poster is comfortable sharing them. They're framed as one person's experience, never as typical results, and your legal team approves any number that appears in a hook.

What if a poster gets hurt or stops training?

We reassign the account's remaining tasks to another vetted poster on a new account, or pause it. We never have someone else post as the original person.

The fitness posting playbook

Hooks, disclosure rules and testing tips, in five short emails. Then we stop.

No spam. Unsubscribe in one click. We never sell your email.

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