No, quite the opposite. Vitamin K is a factor in helping your blood to clot.
vit c
Calcium, vit D and vit K are important in the blood clotting cascade. Calcium and Vit K are cofactors and are directly needed to convert certain proteins into functioning clotting factors. Vit D is needed for Calcium absorption.
Vit. C
con6 vit c
Vitamins C and E
Liposomal Vitamin C is better as absorption rate is high & is more efficient. Whereas the absorption rate is too low in normal intake of Vitamin C.
vit k
Ascorbic acid (vit. C)
No vitamins will get rid of stretch marks - once formed, they remain forever, unfortunately. Try taking Zinc, Vit A, Vit E, Vit C and MSM tablets.
do antibiotics thin blood
can gabapentin thin your blood
Yes, there is no problem in taking vitamins (calcium, iron, vit B, vit D, vit C, etc...) while taking Effexor. Even if these are taken at the same time.