This can be from high levels of hematocrit and basically your blood is too thick.
We do see a lot of this with TRT guys taking 100mg/week T cypionate. So your potential is higher.
High iron intake makes this worse. Males should avoid iron fortified foods.
High hematocrit is dangerous as blood pressure is up because blood flow is impeded.
You need lab work to know.
Meanwhile, take 80mg aspirin ED and fish oil to provide some compensation. Do not get dehydrated as that makes it all worse.
Blood volume might be adversely affected by high E2 levels.
PSA if 40+
TSH, range is bogus, best to be nearer to 1.0
With 6 liters of water per day, I would not expect excess sodium to be an issue, it is readily cleared out, along with water soluble vitamins.
Any muscle cramping? Can be low magnesium or impeded circulation.