Dr Kurt Havens joins the show to explain his testosterone cypionate research and clear up misconceptions about ester response and genetics. Afterward, Dave and Scott answer listener questions on thyroid use, cutting phases, metformin, GLP medications, TRT decline, MENT, and more.

0:00 Testosterone cypionate and using what works

0:40 Show intro

1:30 Dr Kurt Havens joins

2:10 The testosterone cypionate variability study

7:30 Ester case study example

11:35 Genetics and steroid response

14:30 Simple explanation for lifters

16:40 Ethics of studying anabolic steroids

19:15 Differences between testosterone esters

24:00 Post interview discussion

32:30 Listener questions begin

34:20 Thyroid hormones for fat loss

41:44 Building a cutting diet

45:20 How long should a health phase last

51:45 Metformin use in bodybuilding

53:10 Retatrutide and GLP drugs

55:30 Anti progesterone compounds on cycle

56:45 Top 5 fat loss add ons

59:40 ED issues on testosterone

1:03:00 TRT levels declining over time

1:08:10 Does overtraining build muscle

1:17:15 MENT as TRT

1:18:30 Final advice