Rule 1 is a US brand known for clean, transparent formulas. Its products are Informed Choice certified, so batches are regularly tested for banned substances.
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- Protein: Whey Blend (24g protein), Source 7 Protein (7 protein sources)
- Amino acids: Essential Amino 9 (all 9 EAAs plus electrolytes)
Protein contributes to the growth and maintenance of muscle mass. Fast UK delivery from Insight Supps.
