So id only take Cardarine or Stenabolic. Both help with endurance and fat loss.
Diet and exercise do the most though so get that in check first before taking anything.
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Also no PCT needed with those 2 compounds.
If you went with ostarine, LGD, RAD140 or S4 you would want a mini pct of clomid 25mg/day for 4 weeks plus natural test booster.