Effects · health adverse
Hypothyroidism
Development or worsening of symptoms of decreased thyroid function (fatigue, weight gain, cold intolerance, constipation, depression) when taking supplements that block the synthesis or action of thyroid hormones (e.g., large doses of certain goitrogens).
- Supplements
- 4
- Practices
- 2
- Habits
- 3
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 (9)
Probability Medium 1 Low 8
Evidence Clinical 4 Animal research 1 People reports 1 Theoretical 3
- Holy Basil (Tulsi) Supplements LowAnimal research
- Iodine Supplements LowTheoretical
- Lithium Supplements LowClinical
- Spirulina Supplements LowPeople reports
- Herbalism / Phytotherapy Practices LowClinical
- Intermittent Calorie Restriction Practices LowTheoretical
- Alcohol Consumption Habits LowClinical
- People-Pleasing to Your Own Detriment Habits LowClinical
- Not eating enough Habits MediumTheoretical
Mitigated by (1)
- Iodine Supplements Clinical