Effects · health adverse
Stool Color Change
Alteration in the normal color of feces, such as darkening to black when taking iron supplements. Usually harmless but a noticeable effect.
- Supplements
- 6
- Practices
- 2
- Habits
- 2
How we rate evidence
Probability — how likely the effect is to show up
- Very high
- High
- Medium
- Low
Evidence — where the data comes from
- Scientific Meta-analyses and randomized trials
- Clinical Clinical trials and practice
- Animal research Animal studies
- People reports User reports and anecdotes
- Theoretical Mechanistic reasoning, not yet tested
Reported as a side effect of (10)
Probability Very high 3 High 3 Medium 1 Low 3
Evidence People reports 9 Theoretical 1
- Astaxanthin Supplements LowPeople reports
- Chlorella Supplements Very highPeople reports
- Iron Supplements Very highPeople reports
- Lutein Supplements LowPeople reports
- Methylene Blue Supplements Very highTheoretical
- Spirulina Supplements MediumPeople reports
- Herbalism / Phytotherapy Practices LowPeople reports
- Juice Fasting Practices HighPeople reports
- Eat Whole Foods Habits HighPeople reports
- Plant Intake Habits HighPeople reports