The "thick" blood is due to the amount of "clutter" in the blood of thal minors. This clutter is composed of the irregularly shaped small red blood cells, the by-products of the destruction of these bad RBC's and the unmatched alpha globin chains which form tetramers. A daily aspirin is often recommended. Vitamin E does have a positive effect on this situation, as previously noted.
My basic recommendations for thal minors in general follow.
Thal minor
B-Complex 100 One daily
Vitamin C 200-500 mg daily.
* If your iron level is high, take the lower amount of C
If you bruise easily, take some vitamin C.
Vitamin D 1000-5000 IU daily. Deficiency may require
doses as high as 50,000 IU per week.
*The best thing to do is get your D level checked. Odds
are that 1/2 to 2/3 of people reading this are deficient in
vitamin D. Your level should be minimum 35. Optimum
level is 50-70. The importance of vitamin D should not
be ignored. D is necessary for the absorption of dozens
of nutrients, including essential minerals.
Vitamin E Natural Complex -Mixed Tocopherols preferred
400-800 IU daily
*Synthetic vitamin E should be avoided. Do NOT take
more than 100 IU daily of synthetic E.
Look for d-alpha tocopherol. Avoid dl-alpha.
Folic acid 1000-5000 mcg daily (1-5 mg)
If calcium is required 500-1500 mg with magnesium 250-750 mg daily
(By the way, for thal minors who may be iron deficient, it may be worthwhile to try vitamin C with your meals to aid in absorbing iron from food before taking iron supplements).