When should I schedule my TRT lab work relative to my injection day?
I'm trying to figure out if I should do my blood work right before my next injection or somewhere in the middle of my cycle. I want to make sure my doctor is looking at the most accurate numbers.
The gold standard for TRT blood work is drawing labs at your 'trough'—right before your next scheduled injection when testosterone levels are at their lowest. This ensures your provider evaluates your true baseline rather than an artificial spike right after administration. If your trough levels dip too severely or your symptoms return early, a clinician may suggest splitting your dose into more frequent injections to maintain stability. At HeydayMD, our care team analyzes your trough labs alongside your symptom response to dial in a protocol that keeps your levels steady all week long.
Every body is different. A licensed provider can look at your own labs and symptoms.
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