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Frequency depends on your goals and provider recommendations
There are no big, randomized clinical trials like what we have for prescription drugs or vaccines
If you experience any signs of overdose, seek medical attention immediately
Cyanocobalamin contains a cyanide group that must be removed and replaced with a methyl group before the body can utilise it
The brain obtains vitamin C by uptake of DHA through GLUT1 at the blood-brain barrier and its subsequent reduction 7
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