RHR elevated on Reta?

Elevated RHR on Reta is the glucagon receptor component doing its job - glucagon raises heart rate as part of its metabolic effect, and at higher doses it's the piece that pushes RHR up even as weight drops. The tradeoff is whether the fat loss and metabolic benefit outweighs the cardiac load for you specifically.
 
Taurine at 2-3g is worth trying before making protocol changes - it addresses the cardiac excitation pathway directly and most people report RHR dropping back within a day or two of adding it.
 
10bpm up at 5mg is within the usual range and tends to stay rather than self-correct - the taurine approach in this thread is the most common response and seems to work faster than people expect.
 
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