MEER spiermassa door peptiden? 💊

What is the purpose of peptides? Do they help you build muscle mass faster? What are the benefits, and how dangerous are these substances? Wiebren and Jeroen explain. 👉 IGNITE9: online coaching from FIT.nl: https://ignite9.nl/ Everything about TRAINING VOLUME: https://www.fit.nl/trainingsvolume Everything about intensity and RPE: https://www.fit.nl/rate-perceived-exe... 📘 Must-read strength training book: https://shop.fit.nl/sterker/ 💬 Number to WhatsApp your question (send voice memo): +31 6 12 76 93 42 🚀 Jeroen van der Mark's Instagram:   / jervdm   📱 FIT.nl's Instagram:   / fit_nl   📧 Advertise? [email protected]