vitamin A: birth defects, irreversible bone and liver damage vitamin B1: deficiencies in B2 and B6 vitamin B6: damage to the nervous system vitamin C: affects the absorption of copper; diarrhea vitamin D: hypercalcemia
Nothing unless you take MASSIVE doses of vitamin K which is the antidote for warfarin poisoning and will negate its effect.
Vitamin toxicity is a condition in which a person develops symptoms as side effects from taking massive doses of vitamins.
There are no adverse side effects when sage is taken in designated therapeutic doses. However, sage may interfere with absorption of iron and other minerals.
Excessive doses of white willow may cause stomach upset, diarrhea, nausea, or ringing in the ears.
Large doses: may have a purgative action. Very large doses: may cause irregular heartbeat. May interfere with the absorption of iron and other minerals.
If this is a one time occurance, there is no need to worry. You would not want to do this on a regular basis, as overdosing on certain vitamins and minerals is no recommended. Many vitamins can be taken in larger doses than the recommended amount given on the bottle. Vitamin C, for example, can usually be taken in 2500 mg doses, as most people are deficient. Nevertheless, in the case of a prenatal, don't overdose. If you think you need extra vitamins or minerals, get them from whole foods, or consult an ND.
In chronic or excessive doses
Excessive doses of cantharis may cause symptoms of cantharidin toxicity including burning pain, vomiting, and frequent urge to urinate.
Zinc and vitamins A, C, E, and B complex provide necessary nutrients for the skin and help it to repair injuries and stay healthy. Large doses of vitamins or minerals should not be used without a doctor's approval
Taking high doses of: Nicotinic acid (niacin) to lower elevated cholesterol levels; Vitamin B6 to relieve premenstrual syndrome; Vitamin A to clear up skin problems; Iron or other trace minerals not prescribed by a doctor.
Red Bull is an energy-type drink that is becoming popular. It helps increase metabolism by high doses of B vitamins. The health effects over time are not yet known.
Mild side effects: stomach upset, sweating, and diarrhea. Large doses: changes in breathing, dilation of blood vessels, sleepiness, depression or convulsions. Excessive use: mouth ulcers, burning in the mouth.