Side Effects - Vitamins, NutrientsRoyal Jelly Royal Jelly Side EffectsAllergic reactions are the most common side effect. Allergic reactions from oral intake of royal jelly can range from very mild (e.g., mild gastrointestinal upset) to more severe reactions, including asthma, anaphylaxis (shock), intestinal bleeding, and even death in people who are extremely allergic to bee products. People who are [...] 7-KETO 7-KETO Side EffectsA safety study in humans has shown that 7-KETO did not raise estrogen or testosterone levels or produce any other negative effects at levels up to 200 mg per day for eight weeks. Short-term animal studies also revealed no adverse effects with large amounts [...] SAMe SAMe Side EffectsClinical trials in thousands of people for up to two years have demonstrated that SAMe is very well tolerated, much better than the medications with which it has often been compared. Occasional gastrointestinal upset may be experienced by [...] Selenium Selenium Side EffectsSelenium is safe at the level people typically supplement (100–200 mcg); however, taking more than 900 mcg of selenium per day has been reported to cause adverse effects in some people. Selenium toxicity can result in loss of fingernails, skin rash, and changes [...] Silicon Silicon Side EffectsA high dietary intake of silicon is not associated with any toxic effects. Inhalation of large amounts of silicon (in an industrial setting) can cause the respiratory disease silicosis. At the time of writing, there were no well-known drug interactions with silicon. Strontium Strontium Side EffectsNo consistent toxicities from strontium supplements have been reported. At the time of writing, there were no well-known drug interactions with strontium. Sulforaphane Sulforaphane Side EffectsNo side effects or drug interactions have been reported, although sulforaphane and dietary consumption of cruciferous vegetables does interact with drug detoxifying enzymes. People taking prescription drugs should therefore consult a doctor before taking sulforaphane or broccoli-sprout extracts. At the time [...] Sulfur Sulfur Side EffectsNo side effects have been reported with the use of sulfur. At the time of writing, there were no well-known drug interactions with sulfur. Tocotrienols Tocotrienols Side EffectsNo significant adverse effects have been reported with tocotrienols. Certain medicines may interact with tocotrienols. Refer to drug interactions for a list of those medicines. Top Anti-Aging Supplements Top Anti-Aging Supplements Side Effects More: Page 1 | Page 2 | Page 3 | Page 4 | Page 5 | Page 6 | Page 7 | Page 8 | Page 9 | Page 10 | Page 11 | Page 12 | Page 13 | Page 14 | Page 15 | Page 16 | Page 17 | |