Question

only four of the water - soluble vitamins have an established ul. identify the problems associated with excessive intakes of each of the following water - soluble vitamins.
niacin
vitamin b - 6
vitamin c
folic acid
(click to select)
(click to select)
nerve damage
skin flushing
diarrhea and gi tract discomfort
can mask vitamin b - 12 deficiency

Explanation:

• Niacin: Excessive intake causes skin flushing due to vasodilation effects.
• Vitamin B - 6: High doses lead to nerve damage as it can disrupt normal nerve function.
• Vitamin C: Over - consumption results in diarrhea and GI tract discomfort from osmotic effects in the gut.
• Folic acid: Excess can mask vitamin B - 12 deficiency, delaying diagnosis of B - 12 related issues.

Answer:

• Niacin: Skin flushing
• Vitamin B - 6: Nerve damage
• Vitamin C: Diarrhea and GI tract discomfort
• Folic acid: Can mask vitamin B - 12 deficiency