Pay in 4 interest-free payments of $6.05 Learn more
Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
A rise in a blood result is not the only consideration
Symptoms from oral supplementation alone are exceedingly rare because the body absorbs so little at high doses
If you think you might have a vitamin B deficiency, your doctor can test your blood levels and discuss whether shots might be beneficial.
Using unregulated research-grade powders purchased online carries risks including unknown potency, contamination, and no medical supervision for dosing or monitoring
Some patients report a pale or yellowish tinge to the skin, and glossitis (a sore, red tongue) may develop
US$ 29.48
US$ 29.30
US$ 20.05
