Side-effect finder
Pick a side effect to see what every one of the 68 compounds’ labels, studies and user reports say about it, with where each answer comes from.
Tiredness13 from labels, 13 from studies, 6 from user reports, 18 not reported, 18 no dataHeadache15 from labels, 16 from studies, 6 from user reports, 3 precautions, 13 not reported, 15 no dataNausea or vomiting16 from labels, 16 from studies, 6 from user reports, 2 precautions, 13 not reported, 15 no dataDiarrhea or constipation13 from labels, 16 from studies, 1 from user reports, 2 precautions, 2 animals only, 16 not reported, 18 no dataDizziness16 from labels, 16 from studies, 2 from user reports, 4 precautions, 12 not reported, 18 no dataTrouble sleeping9 from labels, 16 from studies, 5 from user reports, 2 precautions, 23 not reported, 13 no dataHair loss7 from labels, 2 from studies, 3 precautions, 1 animals only, 37 not reported, 18 no dataAcne, rash or skin changes21 from labels, 19 from studies, 13 from user reports, 6 precautions, 4 not reported, 5 no dataWater retention or swelling18 from labels, 7 from studies, 8 from user reports, 4 precautions, 15 not reported, 16 no dataJoint or muscle pain11 from labels, 14 from studies, 3 from user reports, 2 precautions, 21 not reported, 17 no dataAnxiety, low mood or irritability12 from labels, 13 from studies, 2 from user reports, 22 not reported, 19 no dataLow or high blood sugar9 from labels, 16 from studies, 6 precautions, 10 animals only, 16 not reported, 11 no dataFast heartbeat or blood pressure changes18 from labels, 17 from studies, 4 from user reports, 2 precautions, 5 animals only, 9 not reported, 13 no dataMore hunger12 from labels, 10 from studies, 4 from user reports, 1 precaution, 4 animals only, 21 not reported, 16 no dataLiver strain10 from labels, 16 from studies, 5 precautions, 5 animals only, 18 not reported, 14 no dataKidney problems14 from labels, 12 from studies, 1 precaution, 5 animals only, 18 not reported, 18 no dataCancer risk16 from labels, 3 from studies, 33 precautions, 3 animals only, 4 not reported, 9 no data
From a product labelFrom human studiesFrom user reportsA precaution, not measuredSeen only in animalsStudied in people, not reportedNo human safety data
The bars count compounds by where their answer comes from, not by whether the side effect happens: a label answer can say it isn’t listed. Each page shows every answer in full. Doses shown elsewhere on the site aren’t recommendations.