What was measured
Free thyroxine (fT4)
Two ingredients have been read against Free thyroxine (fT4) in this library.
This page is not a ranking. Ingredients are listed by name, in alphabetical order.
Still to read against Free thyroxine (fT4)
Our to-read list names three ingredients to read against Free thyroxine (fT4). One has no reading here yet: Selenium.
Of the 58 ingredients in this library, two have been read against Free thyroxine (fT4), from two sources. Every one of them rests on a single source, with nothing yet to check them against. On none of them do the sources say different things.
An ingredient that is not named above is not a gap: nobody set out to read it against Free thyroxine (fT4), and this library holds no record of having looked and found nothing.
The two ingredients read against Free thyroxine (fT4)
The numbers behind these lines are not on one scale. Not one of the two findings here records the unit it was measured in. Each source read a different group of people, over a different stretch of time, in the units it chose.
- Ashwagandha and Free thyroxine (fT4)One source, measured higher
- Iodine and Free thyroxine (fT4)One source, found no clear difference
Read next
The other 14 things measured under Hormones, thyroid and fertility
- Estradiol 2
- Free testosterone 3
- Growth Hormone (Somatotropin) 1
- Neural Tube Defect Risk 1
- Pre-eclampsia incidence 1
- Prolactin 1
- Sex hormone binding globulin 3
- Sperm concentration 1
- Thyroid Peroxidase Antibodies (TPOAb) 1
- Thyroid Volume (ultrasound) 1
- Thyroid-stimulating hormone (TSH) 3
- Total sperm motility 1
- Total testosterone 5
- Total Thyroxine (Total T4) 1
All 136 things measured in this library
This is a library, not advice. No recommendation, no dose, no diagnosis, no ranking. We never ask about your symptoms, and nothing here is tailored to you.