3 ways to go w/o polar bear size clunky mittens. Heated grip wraps, heated gloves by its own batter or bike charger and thin heat packs that slip in gloves palms and backs that last hours or can be put in tight sealed jar to re-use till used up.
rutin: strengthens cappilery (sp?) walls, so blood is pumped more effeciently through the body.
vitamin E: heavily indicated for poor circulation
ginkgo biloba: improves circulation to the extremeties of the body. this herb can be quite slow acting and you may have to wait a few months to notice the full effects but the rutin and vit E shoulkd kick in sooner and then when the full effect of the herb is felt it'll be the icing on the cake.
iron: but can upset gut and liver may not tolerate it with chemo injury.
Flax oil and lecithin but not fish oils as too oxidative dangerous and over sold to public - till they find out facts later.
b complex especially Niacin which opens distal capillaries in face hands and feet.
vit. D emulsified not fish oil capsules.
Capsicum lotion, ginger lotion.
Ozone therapy, but not done by normal hospital MD's but worth looking up along with H2O2 therapy.