Showing 24 of 372 side effects
Some individuals may experience mild bloating, gas, or stomach upset, especially at higher initial doses.
Some users may experience mild digestive discomfort, such as nausea or diarrhea.
Some individuals may experience feelings of fullness, bloating, or mild heartburn, especially at higher initial doses.
Some individuals may experience mild gastrointestinal discomfort, such as nausea or diarrhea.
Some individuals may experience mild stomach discomfort or nausea when taking Rhodiola.
Contains both casein and whey proteins, which are common allergens. Can trigger reactions ranging from hives and digesti...
Contains phytates (though reduced in isolate vs. concentrate) which may chelate minerals like iron and zinc, potentially...
Excessive calcium/phosphate intake from multiple sources could theoretically contribute to hypercalcemia or affect kidne...
Misleading Labeling
MildCauses or contributes to Misleading Labeling.
Mood Changes
MildCauses or contributes to Mood Changes.
Muscle Cramping
lowAnecdotal reports of muscle cramping or strains, though not strongly supported by controlled studies.
Anecdotal reports exist, but controlled studies generally do not support an increased risk. Proper hydration is recommen...
Nail Brittleness
SevereCauses or contributes to Nail Brittleness.
Causes or contributes to Nanoparticle Concerns.
There are concerns regarding the safety of nanoparticle exposure, particularly in cosmetic applications, which may lead...
Mild gastrointestinal disturbances can occur, especially at higher doses.
Mild gastrointestinal upset can occur, especially if taken on an empty stomach.
Rare, but possible, especially if taken on an empty stomach.
Neurological Effects
highHigh levels of manganese exposure, particularly from occupational sources, may lead to neurological issues resembling Pa...
Long-term ingestion of very high doses (typically >100 mg/day for months or years) can cause sensory neuropathy, charact...
Long-term intake of very high doses (typically >1000 mg/day of pyridoxine) can cause sensory neuropathy, characterized b...
Long-term intake of very high doses (typically >500 mg/day) of vitamin B6 can cause sensory neuropathy, characterized by...