Cod liver oil

Cod liver oil is worth exploring, but moderation is key due to vitamin content.

Recommended

For dietary sources of vitamin d3.

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

The strongest voice

“If you are using cod liver oil to get the vitamins that you can't get from food... cod liver oil on a daily basis can be a very good way of getting that.”

a nutritional sciences PhD · source video · 00:01:50

In their own words

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

a molecular biology PhD recommend
“These foods offer about 70% of daily vitamin D requirements.”

a molecular biology PhD · source video

a nutritional sciences PhD conditional
“Cod liver oil provides vitamins A and D which fish oil generally does not; choice depends on dietary context”

a nutritional sciences PhD · source video · 00:33:30

a former research biochemist conditional
“Carlson's cod liver oil provides a good ratio of vitamins A and D but lacks vitamin K2.”

a former research biochemist · source video

a registered nutritional therapist recommend
“Cod liver oil delivers preformed vitamins A and D; broth provides glycine, collagen and minerals when patients can barely eat”

a registered nutritional therapist · Instagram reel

a certified naturopath recommend
“Virgin cod liver oil is recommended as a top food for skin health.”

a certified naturopath · Instagram reel

a certified nutrition and mineral coach recommend
“Certain compounds may benefit gut health in SIBO.”

a certified nutrition and mineral coach · Instagram reel · 00:00:40

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