Promote with Miriam Keßler (@miriamisabelk) | Instagram & UGC Influencer | Collabstr
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Multilingual performance UGC Creator for Fitness & nutrition Brands

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Miriam Keßler Multilingual performance UGC Creator for Fitness & nutrition Brands

Miriam Keßler | Barcelona, Spain
Instagram logo 0.0k Followers
I am a performance-focused UGC creator specializing in fitness, strength training and D2C brands. With a background in sales and strength coaching, I create high-converting video ads designed for paid social (Meta & TikTok). My content focuses on strong hooks, retention and clear call-to-actions that drive conversions — not just engagement. I work with: • Supplement brands (creatine, protein, recovery) • Gymwear & activewear brands • Fitness & coaching apps • Performance-focused D2C products My audience and content style resonate with strength training athletes, ambitious women in fitness, and performance-driven consumers aged 20–40. Fluent in German, Spanish and English. Based between Germany and Barcelona. Available for UGC ads, product demos, testimonials and hook variations.

Packages
All
Instagram
UGC
Instagram logo
3 Instagram Stories
$179
3-frame Instagram Story UGC optimized for short-form paid ads. Inclu…See More
Instagram logo
1 Instagram Reel (30 Seconds)
$219
Instagram Reel created and posted on my profile within the fitness an…See More
Instagram logo
1 Instagram Photo Feed Post
$249
Instagram Feed Post aligned with fitness and performance-focused bran…See More
User Generated Content logo
3 UGC Product Photos
$129
High-quality UGC product photos created in an authentic fitness and p…See More
User Generated Content logo
1 UGC Testimonial/Review (30 Seconds)
$149
Authentic testimonial-style UGC video designed to build trust and inc…See More
User Generated Content logo
1 UGC Product Video (30 Seconds)
$219
30-second product demonstration video with a performance-driven appro…See More
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Portfolio

5 Reviews  ·  4.9
Communication
5
Timeliness
5
Satisfaction
5
Brand
December 2023
5
Brand left a 5 star review. Sign up now to unlock real reviews for over 1.2m across the globe.
Brand
December 2023
5
Brand left a 5 star review. Sign up now to unlock real reviews for over 1.2m across the globe.

FAQ

Who is your audience?

My content is tailored to performance-driven fitness brands and D2C companies targeting strength training athletes and ambitious women in fitness aged 20–40. I create conversion-focused UGC designed for paid social campaigns, particularly for supplements, gymwear, fitness tools and coaching apps. With a background in strength coaching and sales, I understand how to communicate product value clearly and persuasively. My content resonates with health-conscious, goal-oriented consumers who prior

What brands have you worked with?

I have created content for local gyms and fitness studios, producing internal social media content and promotional materials focused on strength training and performance. These projects included product-style demonstrations, educational fitness content and short-form video optimized for engagement. I am currently expanding into direct-to-consumer fitness and performance brands, bringing both coaching expertise and sales-driven communication into my UGC work.

$179
3-frame Instagram Story UGC optimized for short-form paid ads. Includes: • Strong hook in first frame • Clear CTA (Swipe / Shop Now) • On-screen text • 1 revision Perfect for brands testing story placements and performance campaigns. Organic usage included. Paid advertising rights available upon request.
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$179
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