Rule One Source7 Protein is a mixed source protein powder that delivers quick and steady amino acid release to support muscle growth, recovery, and fullness. The blend contains whey isolate, whey concentrate, hydrolysed whey, native whey, micellar casein, milk protein isolate and pea protein to cover fast boosts and long lasting nourishment. Rule One champions quality and transparency, delivering premium ingredients with strict testing to help athletes train with confidence.

Benefits & Features:

• Fast and slow amino acids drive steady recovery.
• Protein shakes made easier after training.
• Star ingredient blend, featuring whey isolates, hydrolysed whey, micellar casein, and pea protein, delivers fast acting amino acids after workouts with a slow release to support daily anabolic balance.
• Over 10g EAAs per serving supports repair.
• Informed Choice certified and regularly tested for banned substances, making it a top choice as the best protein powder for athletes pursuing muscle gain.

Source7 Protein brings together seven protein sources - whey isolates, whey concentrate, hydrolysed whey, native whey, micellar casein, milk protein isolate and pea protein - for a complete amino acid profile. The blend aims for quick amino acids after training and a steady supply for longer recovery and appetite control. It carries the Informed Choice badge, reflecting regular testing for banned substances and strict quality checks. Athletes who value transparency and real results often choose it as a solid option for protein shakes and protein powder for muscle gain.