By application
Online Coaching
Individual programming, nutrition guidance and process management. Not just a plan — we run the whole process together.
Apply for CoachingOnline coaching · Programs · Consultation
Evidence-informed training, real communication, sustainable progress.
I'm Deha Karahan — a sport and exercise science master's student, natural bodybuilding athlete, and coach working with athletes since 2019. I help athletes manage training, nutrition, and the entire process through evidence-informed decisions, clear communication, and sustainable systems.
Online coaching since 2019
300+ 1-on-1 athletes
TUM Sport & Exercise Science
Powerlifting & natural bodybuilding
Evidence-informed approach
How we work
How can I help?
Different ways to work together, based on your goal, level and how much individual support you want.
One-time
Ready-made Programs
For athletes with a clear goal who want a strong, structured system they can run on their own.
View ProgramsNutrition
Karahan Cookbook
990 TL
120+ tested macro-friendly recipes. Makes nutrition more practical and sustainable.
View CookbookSingle call
Video Consultation
45 min / 6500 TL
Review your program, nutrition, contest prep or current process in a focused one-off video call.
Book ConsultationOnline Coaching
Coaching isn't just writing programs.
In coaching we look at your current level, goal, training history, recovery, daily life and what's actually sustainable. The plan doesn't stay on paper — there's ongoing communication, regular review, and we change direction when it makes sense.
Note: Coaching prices aren't listed on the site. After you submit the application form, I review your situation and get back to you with the options that fit.
Programs and Resources
Featured products
Structured, tested resources for athletes who want to run their own process.
Blog
Evidence-informed articles
Articles on training, nutrition and process.
Hypertrophy
How to choose a hypertrophy program that actually works
Volume, frequency, exercise selection and sustainability — what to look for.
ReadPowerlifting
Can powerlifting and hypertrophy progress at the same time?
When it makes sense to chase both goals and how to manage the trade-offs.
ReadNatural Bodybuilding
The most common mistakes in natural bodybuilding
What sabotages long-term progress and a healthier way to approach the process.
ReadIf you're tired of switching programs, second-guessing what works, and trying to figure out the process alone — submit the application form and let's review your situation together.
Digital products are delivered by email after payment.