Does Mark Hyman recommend Vitamin C?
Yes — Mark Hyman has directly recommended Vitamin C.
Published research rates it strong evidence. Of Mark Hyman's 20 tracked claims, 1 is supported or partially supported by studies on PubMed.
Evidence last reviewed May 2026
Mark Hyman on Vitamin C — 20 claims
“making sure your nutrients are okay so you're taking your multivitamin getting your zinc you're getting your cenum you're getting your vitamin C but there are the whole cocktail of things that help support immunity”
Vitamin C is mentioned as one of the key nutrients to ensure adequate intake as part of an immune-supportive regimen, alongside zinc and selenium.
The available evidence supports vitamin C as having immune-relevant properties, with the systematic review (PMID: 36364865) specifically evaluating dietary supplement ingredients for immune preservati…
“making sure your nutrients are okay so you're taking your multivitamin getting your zinc you're getting your cenum you're getting your vitamin C but there are the whole cocktail of things that help support immunity”
Vitamin C is mentioned as one of the key nutrients to ensure adequate intake as part of an immune-supportive regimen, alongside zinc and selenium.
“it only takes like 60 milligrams of Vitamin C to cure scurvy which is a deadly disease if you don't have enough vitamin C”
It only takes approximately 60 milligrams of vitamin C to cure scurvy, a deadly disease caused by vitamin C deficiency.
“10% of Americans don't have enough vitamin C to prevent scy which is mindblowing right which because they're eating Ultra processed food and they don't get any green vegetables and they don't get any you know fruit”
10% of Americans do not have enough vitamin C to prevent scurvy, largely because they eat ultra-processed food and lack green vegetables and fruit.
“it only takes like 60 milligrams of Vitamin C to cure scurvy which is a deadly disease if you don't have enough vitamin C”
It only takes approximately 60 milligrams of vitamin C to cure scurvy, a deadly disease caused by vitamin C deficiency.
None of the 20 published research studies provided address the claim that approximately 60 mg of vitamin C cures scurvy. The literature pool focuses on topics such as collagen supplementation, cardiov…
“10% of Americans don't have enough vitamin C to prevent scy which is mindblowing right which because they're eating Ultra processed food and they don't get any green vegetables and they don't get any you know fruit”
10% of Americans do not have enough vitamin C to prevent scurvy, largely because they eat ultra-processed food and lack green vegetables and fruit.
None of the 20 published studies provided address the specific claim that 10% of Americans lack sufficient vitamin C to prevent scurvy, nor do any examine the epidemiological link between ultra-proces…
“quite a bit of people are not getting enough vitamin C something like 30 or 40 40% 40% or something like that I'm not getting enough vitamin C yeah I heard that 10% are deficient the level that would cause scurvy in America that's unbelievable”
Approximately 40% of people are not getting enough vitamin C, and around 10% are deficient at levels that would cause scurvy in America.
“quite a bit of people are not getting enough vitamin C something like 30 or 40 40% 40% or something like that I'm not getting enough vitamin C yeah I heard that 10% are deficient the level that would cause scurvy in America that's unbelievable”
Approximately 40% of people are not getting enough vitamin C, and around 10% are deficient at levels that would cause scurvy in America.
None of the 20 studies provided contain data on the prevalence of vitamin C deficiency or insufficiency in the American population. The expert's specific statistics—40% of Americans not getting enough…
“if you don't have enough vitamin C and you're a sailor you get scurvy right”
Classic severe vitamin C deficiency causes scurvy, historically seen in sailors, as an example of a short-term nutrient deficiency disease.
The expert's claim is a well-established historical and medical fact about scurvy as a severe vitamin C deficiency disease — a foundational concept in nutritional science. However, none of the 20 stud…
“just as you would have scurvy if you didn't have enough vitamin C”
Vitamin C deficiency, if severe enough, causes scurvy — used as an analogy for how nutrient deficiencies manifest as disease.
“if you don't have enough vitamin C and you're a sailor you get scurvy right”
Classic severe vitamin C deficiency causes scurvy, historically seen in sailors, as an example of a short-term nutrient deficiency disease.
“if you're vitamin C deficient your gums start falling apart you can see oh I've got scur I got scurvy right”
Vitamin C deficiency is visible — deficient individuals' gums start falling apart, showing signs of scurvy.
“just not eating any ve any vegetables or or fruits because vitamin C is also in vegetables it's not just in fruits”
Vitamin C is found in vegetables as well as fruits, and not eating any vegetables or fruits can lead to vitamin C deficiency.
“just as you would have scurvy if you didn't have enough vitamin C”
Vitamin C deficiency, if severe enough, causes scurvy — used as an analogy for how nutrient deficiencies manifest as disease.
The expert's claim is a well-established biomedical fact — severe vitamin C deficiency causing scurvy is centuries-old, consensus scientific knowledge — but none of the 20 studies in the provided lite…
“if you're vitamin C deficient your gums start falling apart you can see oh I've got scur I got scurvy right”
Vitamin C deficiency is visible — deficient individuals' gums start falling apart, showing signs of scurvy.
The expert's claim is a well-established mechanistic statement about vitamin C deficiency (scurvy) causing gingival breakdown — a classical medical fact recognized for centuries. However, none of the…
“just not eating any ve any vegetables or or fruits because vitamin C is also in vegetables it's not just in fruits”
Vitamin C is found in vegetables as well as fruits, and not eating any vegetables or fruits can lead to vitamin C deficiency.
The expert's claim is a basic nutritional fact about vitamin C dietary sources and the consequence of excluding fruits and vegetables from the diet. None of the 20 studies in the provided list directl…
“As opposed to vitamin C, which”
Unlike fat-soluble vitamins, vitamin C does not need to be taken with food or fat for absorption.
None of the 20 listed studies directly address the mechanistic claim that vitamin C absorption does not require food or fat co-ingestion, unlike fat-soluble vitamins. This is a well-established pharma…
“you take your vitamin D, you have to have it with some fat, right? As opposed to vitamin C”
Vitamin C does not need to be taken with fat, unlike vitamin D.
The expert's claim is a basic pharmacokinetic/nutritional science statement: that vitamin C (water-soluble) does not require dietary fat for absorption, unlike vitamin D (fat-soluble). None of the 20…
“As opposed to vitamin C, which”
Unlike fat-soluble vitamins, vitamin C does not need to be taken with food or fat for absorption.
“you take your vitamin D, you have to have it with some fat, right? As opposed to vitamin C”
Vitamin C does not need to be taken with fat, unlike vitamin D.
Other supplements Mark Hyman discusses
Claims are extracted from publicly available podcasts and videos, attributed to their source, and compared against PubMed research. This is educational information only — consult a healthcare provider before starting any supplement.
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