Browse Side Effects

Fatigue is a common symptom of perceived lack of physical and/or mental energy interfering with daily activities. It can...

Long-term, excessive MCT oil consumption may cause or worsen fatty liver disease due to triglyceride accumulation in liv...

Fishy aftertaste is a common, unpleasant side effect of fish oil supplements caused by the oxidation of omega-3 fatty ac...

L-Carnitine, especially at high doses, may cause a fishy body odor due to the metabolism of trimethylamine. This is more...

Fishy burps are eructations with a fish-like odor or taste, usually resulting from fish oil supplement consumption. Whil...

High doses of phosphatidylcholine may lead to a fishy body odor or breath due to the excretion of trimethylamine (TMA)....

Fluid retention (edema) involves excess fluid buildup, often due to high sodium intake, leading to swelling in extremiti...

Flushing is a temporary redness of the skin, similar to a niacin flush, experienced by some individuals after taking NR....

Fullness is a subjective sensation of being overly full or bloated, usually in the stomach or abdomen. It's often mild a...

Saccharomyces fungemia is a rare and serious systemic fungal infection caused by Saccharomyces, primarily affecting immu...

Garlic breath is a garlic-like odor on the breath caused by the metabolism of excess selenium. It is generally harmless...

Fermentation by gut bacteria produces gas.

Gas and bloating are common but usually transient gastrointestinal side effects resulting from changes in gut bacteria d...

Gastrointestinal cramping involves painful contractions in the digestive tract, ranging from mild discomfort to severe p...

Gastrointestinal discomfort includes nausea, bloating, and diarrhea, typically mild and transient. Symptoms are often do...

Oral ceramide supplements may rarely cause mild gastrointestinal discomfort like bloating or nausea. These symptoms are...

Stomach upset, diarrhea, or cramping may occur in some individuals.

Oral consumption, especially of high-fat or difficult-to-digest substances, can cause gastrointestinal distress, includi...

Gastrointestinal disturbances include nausea, vomiting, and diarrhea. These symptoms indicate irritation or inflammation...

Gastrointestinal issues include nausea, diarrhea, abdominal discomfort, and vomiting, potentially stemming from altered...