Brazil nuts

Brazil nuts are a potent source of selenium, supporting antioxidant defenses and thyroid health.

Recommended

For selenium intake and antioxidant support.

Sourced from the doctors, PhDs and clinicians behind Entrain. Updated

The strongest voice

“You can add a brazil nut into your meal which is high in selenium, protecting you even further from the mercury and detoxifying it.”

a registered nutritional therapist · Instagram reel

In their own words

One faithful sentence per source, linked to the moment it was said; quiet chips mark where money is involved.

an Oxford metabolism PhD recommend
“One Brazil nut contains the daily recommended allowance of selenium and randomized controlled trials show it can improve cognition in mild cognitive impairment.”

an Oxford metabolism PhD · source video

a Harvard-trained gynecologist recommend
“Brazil nuts are one of the richest sources of selenium which supports thyroid function and testosterone levels”

a Harvard-trained gynecologist · source video · 00:01:10

a registered nutritional therapist recommend
“Selenium from Brazil nuts feeds the thyroid, calming it and clearing brain fog”

a registered nutritional therapist · Instagram post

Worth discussing with your GP, especially if you take medication or are pregnant. Entrain describes what is publicly taught; it does not prescribe.

Methylated b vitamins

Methylated B vitamins can be especially helpful for those with methylation pathway issues.

Strong consensus

“some people take methylated B vitamins to prevent a hangover ... something else which is very gentle and not going to cause any problems will be try methyl glycine or it's called TMG”

a molecular biology PhD · TikTok video

Grass-fed beef

Grass-fed beef offers better nutrition and supports soil and animal health.

Strong consensus

“grass-fed beef insane but how they do the research they take 100 head they put 50 on grain leave 50 on on grass when the ones on grain get fat they kill them all guess what the ones that grass are not as fat or lean”

a licensed acupuncturist and clinician-educator · source video · 00:14:32

Water filtration

Filtering water is a simple way to reduce exposure to unwanted substances.

Strong consensus

“water needs to be filtered and remember in order to filter toxins like that out of the water we must use a reverse osmosis or a distillation type filter”

a clinical nutritionist · source video · 00:06:00