A single dose of 25 mg a day gradually increased incrementally to 100 mg 3 or 4 times a day is recommended. To avoid flush, use niacin in combination with the nutrient inositol. A deficiency of B6 is often found in pregnant or lactating women and in alcoholics. Divided doses of 20 mg a day are recommended. 2000 mg a day in divided doses is recommended.
Potassium is a mineral that has been linked to depression.
Unless levels are dangerously low in the body, potassium should by replenished by natural foods such as bananas, nonfat milk, oranges, and fresh peas. Use caution when initiating St. John's Wort if SSRIs such as Prozac, Paxil, and Zoloft are being taken. St. John's Wort may reduce the availability of certain prescription drugs such as the anti-HIV drug, Indinavir. St. John's Wort may cause increased skin sensitivity to UV light. Do not take St. John's Wort if you are taking any other prescription drugs.