Vitamin d3

Vitamin D3 is widely supported for mood, immunity, and hormone balance, especially in winter.

Strong consensus

For vitamin d3 supplementation.

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

The strongest voice

“I take between like 5,000 to 10,000 IUS of vitamin D3 a day in the winter closer to 10,000 ... the importance of it cannot be understated”

a registered holistic nutritionist · source video · 00:10:00

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
“Vitamin D3 is important for cardiovascular health, breathing, asthma, bone health, mood, appetite, and hormone production especially in menopausal women.”

a molecular biology PhD · source video · 00:00:10

a licensed acupuncturist and clinician-educator conditional
“Vitamin D3 deficiency was common in the population studied and supplementation was helpful but not a magical cure for insomnia.”

a licensed acupuncturist and clinician-educator · source video · 00:44:00

a registered holistic nutritionist recommend
“Vitamin D is crucial for mood, mental health, brain health, and hormones especially in winter months with low sun exposure.”

a registered holistic nutritionist · source video · 00:13:30

a GP with a Master of Public Health recommend
“Daily vitamin D3 intake maintains stable circulatory levels necessary for immune cell activation, unlike intermittent dosing which causes fluctuations and insufficiency.”

a GP with a Master of Public Health · source video · 00:44:00

a Harvard-trained gynecologist recommend
“Vitamin D3 increases 25 hydroxy D more effectively than vitamin D2 according to intervention studies.”

a Harvard-trained gynecologist · source video · 00:05:30

a clinical nutritionist against
“Long-term vitamin D3 supplementation has not panned out to provide expected health benefits and does not replicate the full spectrum of vitamin D metabolites.”

a clinical nutritionist · source video · 00:14:32

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