Vitamin b12

Vitamin B12 is essential for plant-based eaters and daily supplementation is a wise choice.

Strong consensus

For vegan and plant-based diets.

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

The strongest voice

“For vitamin B12, there's a peculiarity about its digestion that you can only absorb a day's worth at any given one time.”

a nutritional sciences PhD · source video · 00:02:00

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
“Methyl or hydroxy B12 is the best form for supplementation rather than cheap cyanocobalamin.”

a molecular biology PhD · source video

a nutritional sciences PhD recommend
“Vitamin B12 is the number one concern for daily intake due to tight absorption caps and limited storage capacity.”

a nutritional sciences PhD · source video · 00:00:40

a licensed acupuncturist and clinician-educator recommend
“Vegan children showed lower levels of vitamin B12 and 25 hydroxy vitamin D unless supplemented, which are critical for growth and development.”

a licensed acupuncturist and clinician-educator · source video · 00:46:30

a certified naturopath recommend
“Injection administration of vitamin B12 resulted in clinical improvement in patients with low CSF vitamin B12 levels.”

a certified naturopath · Instagram reel

a certified naturopath against
“Oral administration of vitamin B12 was not beneficial in patients with low CSF vitamin B12 levels.”

a certified naturopath · Instagram reel

a certified naturopath recommend
“Vitamin B12 deficiency is easily treated and therapy can reverse brain atrophy and prevent permanent intellectual disability if diagnosed early.”

a certified naturopath · Instagram reel

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

The research our sources reach for

Peer-reviewed papers cited alongside this verdict, linked straight to PubMed.

On 5 September 2026, 340 studies in the library were compared by identifier with 72,389 Retraction Watch entries. No matching notices were found. This check does not establish study quality or validate a health claim.

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