Vitamin c

Vitamin C is a safe, versatile antioxidant with benefits for immunity and hormone balance.

Strong consensus

For immune function and antioxidant protection.

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

The strongest voice

“high dose vitamin C and NSAIDs and stuff like that can be problematic for the adaptation to exercise because it blunts the the inflammatory response”

a former research biochemist · source video · 00:00:15

In their own words

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

a licensed acupuncturist and clinician-educator recommend
“Taking vitamin C can raise your progesterone level, which is important when cortisol blocks progesterone receptors.”

a licensed acupuncturist and clinician-educator · source video · 00:00:10

a nutritional sciences PhD recommend
“Non-liposomal vitamin C is generally more cost-effective and presumed effective unless convincing results show otherwise.”

a nutritional sciences PhD · source video

a former research biochemist against
“high dose vitamin C and NSAIDs blunt the inflammatory response that leads to recovery”

a former research biochemist · Instagram reel sponsored

a certified naturopath recommend
“Supports energy and metabolic balance postpartum”

a certified naturopath · Instagram reel sponsored

a certified naturopath recommend
“These help keep the digestive system moving to prevent stagnation which breeds inflammation.”

a certified naturopath · Instagram reel

a certified naturopath recommend
“It turns cholesterol into bile, supporting bile production.”

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