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question from a user

Why did someone who’s RDW was fine before taking TRT change in a month to a below value? Eat red meat, they’ve been increasing their cardio to 20 minutes 5x a week along with lifting for an hour and 30 minutes 6 days a week. The lifting regimen has not changed, the cardio has. Any food or supplements to assist with this? Thank you.

AlphaMD's Answer

RDW stands for red cell distribution width. It is essentially the variance between the different sizes of red cells (biggest to smallest). RDW outside the normal range is generally not concerning in the absence of anemia. It can change if your body is rapidly producing more red cells, so with the recent start of TRT, my guess would be you have increased your marrow activity and blood cell production. This is a normal finding in TRT.

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