









⚡️ Ignite your inner powerhouse — don’t let burnout steal your edge!
Formulation Factory Heart of Steel is a 10-in-1 metabolic maximizer supplement featuring clinically tested ingredients like L-Citrulline and L-Arginine to support nitric oxide production, blood flow, and energy management. Manufactured in a GMP-certified USA facility, this 120-count capsule formula is designed to help professionals overcome fatigue and enhance stamina naturally, with full transparency and no proprietary blends.





| Additives | l_citrulline | 
| Units | 120 Count | 
| Brand | Formulation Factory | 
| Format | Capsule | 
| Age Range Description | Adult |