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Should you take Vitamin C and Vitamin D for Coronavirus | COVID-19


Vitamin C, Vitamin D and COVID - Prevention of COVID

Vitamin C, Vitamin D and COVID - Prevention of COVID

Does colder temperature make you more prone to getting a cold Or COVID?
Most health experts agree that people spend more time indoors and in close contact with other people when it’s cold, which likely increases germs spread.
Also, experts believe that our immune system may be more active when our body is warmer, as in during the summer months.

⏩ Timestamps, click to skip ahead!
00:00 - Introduction
00:38 - Do Colder Temperatures make you more prone to getting COVID?
02:52 - Why COVID are more likely to cause infections in winter?
03:20 - Vitamin D and COVID
07:20 - Vitamin C and COVID
09:47 - Zinc and COVID

This is the Vitamin D that I take:

COVID Update Today by Doctor Mike Hansen (YouTube Video Playlist)

Back in 2007, there was this study…

- In this one particular study looking at the spread of the influenza virus, they put guinea pigs together in a chamber and carried out different environmental experiments on them. They found that low relative humidities of 20%–35% were most favorable for infection, while the transmission was completely blocked at high humidity of 80%.
They also found that when guinea pigs were kept at 5 °C, transmission occurred with greater frequency than at 20 °C, while at 30 °C, no transmission was detected.
The authors concluded that low relative humidities produced by indoor heating and cold
temperatures favored the spread of the influenza virus.

I also want to add that cold weather, by itself, can cause a runny nose without necessarily
having a cold allows for the virus to be carried in those secretions, which probably facilitates transmission.
40% of common colds are caused by rhinoviruses. The second most common cause of cold is the coronavirus, the normal one, not this novel coronavirus.
Its been shown that the rhinovirus reproduces more quickly at cooler temperatures means you might catch a cold more quickly if you’re chilly.

And this probably applies to the coronavirus as well.

It's likely that with the combination of all of these 5 factors, meaning cooler temp, lower humidity, people staying indoors more often in winter months, cold weather causing runny noses, and our immune system is more active when it's warmer, these combinations of factors likely explain why colds, flu, and COVID are more likely to cause infections in the winter months.
But there is likely a 6th factor as well. And that is vitamin D. Our bodies don’t normally make vitamin D unless we get sunlight. In the winter months, for most of us in this world, we don’t get enough sunlight to make enough vitamin D. Unless you live in a warm, maybe you are the exception. So if you aren’t getting enough sunlight in the winter months, that means you have to get enough vitamin D in your diet. And if you don’t do that, you will have low vitamin D levels. Vitamin D helps regulate or Calcium levels and is important for bone and muscle health. It also plays a role in regulating our immune system, but its exact role is not known.

Why is this important for the common cold, flu, and perhaps with this novel, the coronavirus that’s causing COVID? Well, vitamin D doesn’t affect these viruses themselves. Instead, it affects our immune systems.

So what is my recommendation for taking Vitamin D?
The best thing to do is check with your doctor to see if you might have low vitamin D, and if it is low, you’ll def need to get more vitamin D, especially during the winter months.

Vitamin C is a water-soluble vitamin. It is vital to white blood cells that help to fight infections and overall immune system health. Vitamin C is also important for iron absorption, and being deficient in iron can make you more vulnerable to infections in general.
The normal, recommended daily intake of vitamin C for adults from the diet and/or supplements is 75 to 120 mg. You can get about 80 to 90 mg from a cup of orange juice or sliced orange, or even more from kiwi fruit or a cup of sweet peppers.

Zinc has become one of the most popular suggestions for reducing symptoms of COVID.
Some studies showed that zinc reduces the duration of a cold by half, while others showed no effect. Another study found that the type of zinc taken determined the result—zinc gluconate lozenges that provided 13.3 milligrams (mg) of zinc lessened the duration of colds, but zinc acetate lozenges that provided 5 mg or 11.5 mg of zinc did not.

Note: Please watch the whole video to get the proper details. For the youtube description character limitations, I couldn't provide the whole details, so I suggest watching the whole video.

Doctor Mike Hansen, MDInternal Medicine | Pulmonary Disease | Critical Care MedicineWebsite: Account: #covid19 #coronavirus

Coronavirus Update 59: Dr. Roger Seheult's Daily Regimen (Vitamin D, C, Zinc, Quercetin, NAC)

COVID-19 Update 59 with Roger Seheult, MD of

We recorded this video in response to your comments asking what Dr. Seheult's daily regimen is - to optimize his immune system and minimize COVID-19 risk. In the absence of good clinical data that is specific to SARS-CoV-2, Dr. Seheult discusses supplements, sleep, and his daily disinfection routine when removing PPE, getting in his car, and returning home from the hospital. We look forward to more randomized, blinded, placebo-control studies in the future that will build upon the current body of evidence as it relates to immunity and specifically coronaviruses such as SARS-CoV-2.

Links referenced in this video:

Johns Hopkins -

Nutrients -

Healthline -


Trinity College Dublin -

Eur Respit J -

Hydrotherapy -

Some previous videos from this series (visit for the full series):
- Coronavirus Pandemic Update 57: Remdesivir Treatment Update and Can Far-UVC Disinfect Public Spaces?
- Coronavirus Pandemic Update 56: What is “Forest Bathing” & Can It Boost Immunity Against Viruses?
- Coronavirus Pandemic Update 55: How COVID-19 Infection Attacks The Immune System & Differs From HIV:
- Coronavirus Pandemic Update 54: COVID-19 Antibody vs. PCR Testing; When to Relax Social Distancing?:
- Coronavirus Pandemic Update 53: Anticoagulation; Can Mechanical Ventilation Make COVID 19 Worse?:
- Coronavirus Pandemic Update 52: Ivermectin Treatment; Does COVID-19 Attack Hemoglobin?:
- Coronavirus Pandemic Update 51: State by State Projections; Ultrasound to Diagnose COVID19 Pneumonia:
- Coronavirus Pandemic Update 50: Dip in Daily New Deaths; Research on Natural Killer Cells & COVID-19:
- Coronavirus Pandemic Update 49: New Data on COVID-19 vs Other Viral Infections (Ventilator Outcomes):
- Coronavirus Pandemic Update 48: Curve Flattening in California, PPE in the ICU, Medication Trials:
- Coronavirus Pandemic Update 47: Searching for Immunity Boosters & Possible Lessons From Spanish Flu:
-Coronavirus Pandemic Update 46: Can Hot/Cold Therapy Boost Immunity? More on Hydroxychloroquine
- Coronavirus Pandemic Update 45: Sharing Ventilators, More on Sleep, Immunity, & COVID-19 Prevention
- Coronavirus Pandemic Update 44: Loss of Smell & Conjunctivitis in COVID-19, Is Fever Helpful?
- How Coronavirus Kills: Acute Respiratory Distress Syndrome (ARDS) & Treatment:

Many other videos on COVID-19 (coronavirus outbreak, coronavirus symptoms, influenza, coronavirus epidemic, coronavirus updates, coronavirus vaccine, boosting the immune system, vitamin D, vitamin C, Zinc, Quercetin, NAC, n-acetyl cysteine, Sleep, Insomnia, PPE, hydroxychloroquine, ultrasound to diagnose COVID-19) and other medical topics (ECG Interpretation, hypertension, anticoagulation, DKA, acute kidney injury, influenza, measles, mechanical ventilation, etc.) at

Speaker: Roger Seheult, MD
Board Certified in Internal Medicine, Pulmonary Disease, Critical Care, and Sleep Medicine.

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#COVID19 #SARSCoV2 #Coronavirus

Vitamin D and COVID 19: The Evidence for Prevention and Treatment of Coronavirus (SARS CoV 2)

Professor Roger Seheult, MD explains the important role Vitamin D may have in the prevention and treatment of COVID-19. Dr. Seheult illustrates how Vitamin D works, summarizes the best available data and clinical trials on vitamin D, and discusses vitamin D dosage recommendations.

Roger Seheult, MD is the co-founder and lead professor at
He is an Associate Professor at the University of California, Riverside School of Medicine and Assistant Prof. at Loma Linda University School of Medicine
Dr. Seheult is Quadruple Board Certified: Internal Medicine, Pulmonary Disease, Critical Care, and Sleep Medicine

Interviewer: Kyle Allred, Producer and Co-Founder of


The National Human Activity Pattern Survey (NHAPS)... (J. of Exposure A. and Env. Epidem.) |

Aging decreases the capacity of human skin to produce vitamin D3 (The J. of Clin. Invest.) |

Racial differences in the relationship between vitamin D... (Osteoporosis Int.) |

Decreased bioavailability of vitamin D in obesity (The American J of Clin. Nutrition) |

Vitamin D Insufficiency and Deficiency and Mortality from Respiratory Diseases ... (Nutrients) |

Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis... (BMJ) |

Randomized trial of vitamin D supplementation to prevent seasonal influenza A... (The American J.of Clin. Nutrition) |

Vitamin D and SARS-CoV-2 infection... (Irish J. of Med. Sci.) |

Factors associated with COVID-19-related death... (Nature) |

Editorial: low population mortality from COVID-19 ... (Alimentary Pharm. & Therap.) |

The role of vitamin D in the prevention of coronavirus ... (Aging Clin. & Exper. Res.) |

25-Hydroxyvitamin D Concentrations Are Lower in Patients with ... SARS-CoV-2 (Nutrients) |

Vitamin D deficiency in COVID-19: Mixing up cause and consequence (Metabolism) |

Low plasma 25(OH) vitamin D level... increased risk of COVID-19... (The FEBS J.) |

The link between vitamin D deficiency and Covid-19... |

SARS-CoV-2 positivity rates... with circulating 25-hydroxyvitamin D levels (PLOS One) |

Vitamin D status and outcomes for... COVID-19 (Post. Med. J.) |

Vitamin D Deficiency and Outcome of COVID-19... (Nutrients) |

“Effect of calcifediol treatment...” (J. of Steroid Bio. Molec. Bio.) |

Vitamin D and survival in COVID-19 patients... (J. of Steroid Bio. Molec. Bio.) |

Effect of Vitamin D3 ... vs Placebo on Hospital Length of Stay...: A Multicenter, Double-blind, RCT |

Short term, high-dose vitamin D... for COVID-19 disease: RCT [SHADE study] (Postgrad. Med. Journal) |

Association of Vitamin D Status... With COVID-19 Test Results (JAMA Network Open) |

Evaluation, treatment, and prevention of vitamin D deficiency: an Endocrine Society clinical practice guideline (JCEM) |

Vitamin D Fortification of Fluid Milk ... A Review (Nutrients) |

Analysis of vitamin D level among asymptomatic and critically ill COVID-19 patients... (Scientific Reports from the Journal Nature) |


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Vitamins to Prevent COVID???

Dr. Christy looks at the data on several vitamins, minerals and supplements and provides recommendations on all.

EVMS/Dr. Marik COVID Protocols:


1. Douglas RM, Hemilä H, Chalker E, Treacy B. Vitamin C for preventing and treating the common cold. Cochrane Database Syst Rev 2007;(3):CD000980. [PubMed abstract]
Vitamin D:
BMJ Article:

Martineau AR, Jolliffe DA, Hooper RL, Greenberg L, Aloia JF, Bergman P, et al. Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis of individual participant data. BMJ. 2017;356:i6583.
Zhou YF, Luo BA, Qin LL. The association between vitamin D deficiency and community-acquired pneumonia: A meta-analysis of observational studies. Medicine (Baltimore). 2019;98:e17252.




Reiter RJ, Abreu-Gonzalez P, Marik PE, Dominguez-Rodriguez A. Therapeutic algorithm for use of melatonin in patients with COVID-19. Front Med 2020; 7:226.

Can vitamin D help prevent COVID-19?

Dr. Jen Ashton has the latest information on the potential benefits of vitamin D.

Does Supplemental Vitamin D Help Prevent Covid-19?

Ah, Vitamin D, back again. We’ve made our case on how unnecessary Vitamin D supplements are for outcomes like diabetes, cardiovascular and musculoskeletal health, and overall mortality. But what about its effect on viral infections like Covid-19? Can it reduce symptom severity, or perhaps even reduce your odds of becoming infected in the first place?


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Could Vitamin D Help Fight COVID-19?

My opinion is that you keep the correct levels of vitamin D in your body. Now a days, due to staying indoors, it is possible that you will develop the deficiency of vitamin D. Get this checked by your doctor and use the correct dose to stay healthy.

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Here are my notes:
Daily 10 microgram or 400 IU/Day

Lippincott’s Biochemistry Review 4th Edition. Page 388
Daily 5 mg of cholecalciferol or 200 IU of Vitamin D.

However, 800 IU/Day is shown to reduce the incidence of osteoporotic fractures.
800 IU/Day recommended by the Institute of Medicine to maintain bone health.

Frank deficiency is when the levels of 25-hydroxycholecalciferol (25OHD) is less than 20 ng/mL (50 mmol/L)

No consensus that the oral vitamin D supplements are helpful

Ergocalciferol from plants is called Vitamin D2
Cholecalciferol from the animal tissue is called Vitamin D3

7 deidro-cholesterol to (UV light) to cholecalciferol (D3) to 25 hydroxylase in liver to 25 OH D to -hydroxycholecalciferol 1-hydroxylase in kidney to 1,25 DiOH D3

Vitamin D Receptors are abbreviated to VDR in the notes. These are cytosolic receptors.

Deficiency of vitamin D makes people more susceptible to respiratory tract infections.
Vitamin D supplement can reduce these infections by 12%
Keep in mind, this is for those who are deficient in this vitamin. If you are not deficient, then it will not make a difference. Because, you are already good.
Evidence is not sufficient to say that vitamin D helps prevent respiratory infections.

2018 Study

People with autoimmune diseases commonly have hypovitaminosis D

What are cathelicidins?

What are beta defensins?

2011 Study

Activation of TLR and PAMPs on macrophages increases the production of 1, alpha hydroxylase and the VDR. This in turn causes more production of cathelicidine and beta defensins 4.

Vitamin D also affects monocytes to reduce production of IL1, IL6, IL8, IL12, and TNF. Regulating the immune response.

Vitamin D acts on the dendritic cells to inhibit/reduce their differentiation and maturation. It reduces their MHCII expression, co-stimulatory molecules like CD40, CD80, CD86, decreased production of IL-12 etc.

2013 Study

Vitamin D improves immune system by helping produce cathelicidine and by helping modulate inflammatory cascade. Especially for the respiratory infections.
It also helps produce NFk-B (nuclear factor kappa light chain for activated B cells.)

Notes about the NFkB

Helps with cytokine production and cell survival.
NFk-B factor becomes active when T and B cell receptors become active. Its activation causes the gene expressions that allow T cell development, maturation, and proliferation.
T and B cells have Vitamin D receptors that help them produce NFk-B

Continuing the notes from the study:
In pulmonary infections. Lung epithelial cells are able to convert inactive vitamin D to its active form. This active Vitamin D then helps produce cathelicidine. Which helps kill the pathogens.

Vitamin D seems to favor TH2 and TH17 cell activation which is anti-inflammatory profile.
Vitamin D seems to reduce the activation of TH1 cells which are pro inflammatory by their IFN-gamma action.
A deficiency of vitamin D may dysregulate the inflammatory response of the body.

Vitamin B also increases the IkBa. This leads to inhibition of NFkB. This helps reduce the production of IL6 and IL8 by inhibiting the production of NFkB.

COVID-19 Insights: Could Vitamin C Help with COVID-19?

Here are the references and my notes
Vitamin C (Ascorbic Acid)

Found in plants, citrus fruits, tomatoes, and green vegetables
Water soluble hence extra dose is peed out.
Deficiency causes scurvy
Large doses cause diarrhea

Reason that people looked into it was that the people with vitamin C deficiency had more occurrences of pneumonia.

Normal dose is 90 mg/day. Add 30 mg/day for pregnant women, and 35 mg/day for smokers.

Neutralize reactive oxygen species or free radicals.
Needed in procollagen hydroxylation during the collagen synthesis.

COVID-19 related
It helps shorten the flu duration by about 8% in adults and 14% in children
Helped prevent the occurrence of flu in people with rigorous physical activity when given in megadoses IV.
It has helped reduce the seriousness and ventilation need by patients.
A study is on going in China that will conclude in September.

Is useful in megadose

Claims that megadoses caused 85% reduction in reporting of the flu and cold symptoms.

Mixed results

Protective for the skin (collagen synthesis.)

Needed by the phagocytic cells when they are performing oxidative burst. NADPH is used to produce reactive oxygen species.

Some evidence that it reduces lung inflammation during the flu infection.

Study in Chinese language

Need to study the effects

Study that vitamin c is marginally useful in people engaged in rigorous activities.

Marginally helpful.

Maybe helpful

Helpful for the immune cells

Helpful during infections

New Study - Vitamin D High Dose and COVID-19

New Study - Vitamin D High Dose and COVID-19

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2% of the patients taking high dose calcifediol were admitted to ICU.
50% of the patients not taking calcifediol were admitted to ICU.

Effect of calcifidiol (25(OH)D) on severity and disease progress of COVID-19

Effect of vitamin D receptor activation

Vitamin D deficiency in the US population

Obesity and vitamin d deficiency. A study of their relationship

What is cholecalciferol?

What is calcifediol?

Active Vitamin D synthesis pathway

Should you always take calcium and vitamin K2 with vitamin D?


Should you take vitamin D for Coronavirus? Which? investigates

Experts agree vitamin D is the one vitamin we should be taking, but can it prevent you catching Coronavirus and help your body fight it?

In this video we cover how vitamin D works and the dosage you should take, and Which? video reporter Lucia Ariano speaks with Martin Hewison, Professor of Endocrinology at the University of Birmingham and specialist in vitamin D research to find out how vitamin D can help you fight colds, flu and Covid-19.

00:00 What is vitamin D and how does it help your immune system?
01:37 Does vitamin D protect against coronavirus?
02:52 How much vitamin D should you take?
04:23 Do you need to take anything else with vitamin D?

Read more:

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COVID-19 and Zinc

President Trump taking zinc (WSJ)

Low zinc levels at clinical admission associates with poor outcomes in COVID-19, (11th October)

Zinc balances immune responses and also has a proven direct antiviral action against some viruses.

Zinc deficiency (ZD) is a common condition in elderly and individuals with chronic diseases

Increased intracellular zinc concentrations efficiently impair replication

Resulting in a lower number of viruses

Retrospective analysis

Patients admitted in Barcelona

15th March to 30th April 2020

Clinical severity of COVID-19 and PMH assessed

Fasting plasma zinc levels measured routinely at admission

N = 611

Mean age, 63 years

Male 332, (55%)

Total mortality was 87 patients (14%) during study time


249 of 611 patients studied

Of the 249, 21 (8%) died

Baseline zinc levels

Died, (21 people) mean plasma zinc = 43 μg/dl

Survived, (228 people) mean plasma zinc = 63.1 μg/dl

Higher zinc levels, associated with lower maximum levels of interleukin-6 during the period of active infection

Zinc level lower than 50 μg/dl at admission, 2.3 times increased risk of in-hospital death

Compared with those of 50 μg/dl or higher

Lower zinc levels at admission correlate with higher inflammation in the course of infection and poorer outcome

Low plasma zinc levels at admission are associated with mortality in COVID-19 in our study

Further studies are needed to assess the therapeutic impact of this association

COVID-19: Poor outcomes in patients with zinc deficiency (International Journal of Infectious Diseases, November 2020)

Chennai, India

Prospective study of fasting zinc levels in COVID-19 patients at the time of hospitalization

Healthy controls median 105.8 μg/dl

Zinc is a trace element with potent immunoregulatory and antiviral properties

Is utilized in the treatment of coronavirus disease 2019 (COVID-19)

Patients with serious COVID-19 had significantly low zinc levels in comparison to healthy controls

Zinc deficient COVID patients developed more complications

Zinc deficient patients 70.4% developed complications

Non zinc deficient patients, 30.0% developed complications, (p = 0.009)

Acute respiratory distress syndrome

More need of steroids

Increased mortality

Zinc deficient COVID patients had a prolonged hospital stay

Zinc deficient patients, 7.9 days

Non zinc deficient patients, 5.7 days, (p = 0.048)

In vitro studies

Reduced zinc levels increase SARS-CoV-2 virus receptor interactions

Increased zinc levels inhibit ACE2 expression

What zinc does

Catalytic activity of approximately 100 enzymes

Plays a role in immune function

Protein synthesis

Wound healing

DNA synthesis

Cell division

Normal growth and development, pregnancy, childhood, adolescence

Required for sense of taste and smell

Zinc and immunity

Severe zinc deficiency depresses immune function

Even mild to moderate degrees of zinc deficiency can impair macrophage and neutrophil functions, natural killer cell activity, and complement activity

Body requires zinc to develop and activate T-lymphocytes

Low zinc levels have shown reduced lymphocyte proliferation

…. that can be corrected by zinc supplementation

Low zinc status has been associated with increased susceptibility to pneumonia and other infections in children in developing countries and the elderly

Sea food
Baked beans
Fortified cereals
Pumpkin seeds
Cashew nuts

Vitamin D and zinc can be made in bulk for essentially nothing

Two Studies About Vitamin C and Vitamin D

Two Studies About Vitamin C and Vitamin D

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Understand a little bit about the p value. p value greater than 0.05 means insignificant result. We think you will love this blog post about the p value.

Dr. Paul Marik’s small study about the role of vitamin C

Another small and possibly poor study about vitamin C. Still, discussing for educational purposes.

#drbeen #koolbeens #COVID-19

Can vitamin D help fight COVID-19?

Former trauma surgeon Dr. L. Ray Matthews discusses research looking into the potential impact of vitamin D in the fight against the coronavirus.

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Vitamin D might just save you from getting Covid-19

There may be a cheap and effective way to help prevent getting infected with Covid-19 and fighting it if you’ve already been infected. Taha Meli Arvas explains, In Brief.

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Using Vitamin C to fight COVID-19 | FOX 5 DC

Dr. Mikhail Kogan, medical director of the GW Center for Integrative Medicine, joined us to discuss research into using Vitamin C to fight COVID-19. THE LATEST:

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Does VITAMIN D Protect Against COVID-19? | Doctor ER

Does VITAMIN D Protect Against COVID-19? | Doctor ER. Vitamin D and COVID 19: Board-Certified Emergency Medicine Physician, Dr. Jordan Wagner explains the latest COVID news and the important role vitamin D may have in the prevention and treatment of coronavirus. What is the link between COVID-19 and vitamin D? Vitamin D deficiency has been associated with rickets, however, 120 health, science, and medical experts from the United States and Europe say there is scientific evidence that vitamin D reduces infections, hospitalizations, and deaths during the COVID-19 pandemic. Can I take any vitamins or supplements to prevent COVID-19? Is vitamin D important for the immune system? What is the best way to reduce the spread of COVID-19? The role of vitamin D in preventing viral infections, including COVID-19, is gaining attention as more studies are released. A new study that looked at 216 people with COVID-19 found that 80% did not have adequate levels of vitamin D (vitamin D3) in their blood. Doctor Jordan Wagner is always sharing his experience coping with the COVID-19 pandemic and what he's learned first hand treating COVID-19 patients. If you have any medical questions, COVID-19 questions, or even a funny quarantine vlog, send it my way! Thanks so much for watching. Stay healthy, my friends!


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Coronavirus (COVID-19) Response |

Coronavirus Disease 2019 (COVID-19) | FDA

Vitamin D and SARS-CoV-2 infection—evolution of evidence supporting clinical practice and policy development | Irish Journal of Medical Science

The role of vitamin D in the prevention of coronavirus disease 2019 infection and mortality | Aging Clinical & Experimental Research

25-Hydroxyvitamin D Concentrations Are Lower in Patients with Positive PCR for SARS-CoV-2 |

The link between vitamin D deficiency and Covid-19 in a large population

Short term, high-dose vitamin D supplementation for COVID-19 disease: a randomised, placebo-controlled, study (SHADE study) | Postgraduate Medical Journal

** WARNING** If you feel like you are actually experiencing a real-life medical emergency, immediately stop watching and call 9-11 or contact a medical professional. The information in this video is not intended or implied to be a substitute for professional medical advice, diagnosis, or treatment. All content, including text, graphics, images, and information, contained in this video is for general information purposes only and does not replace an appointment with your own personal doctor/mental health professional!

How Does Vitamin D Help Us Fight COVID?

Dr. David Meltzer from the University of Chicago joins to share about the findings of his recent study, which found that patients who were vitamin D deficient were about 77% more likely to test positive for COVID than patients who weren’t. There are many ways to get vitamin D, including the sun, vitamin D fortified foods, and supplements.

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Why Now May Be The Time To Boost Your Vitamin D And How To Tell If YOur Levels Are Too Low

Why Now May Be The Time To Boost Your Vitamin D And How To Tell If YOur Levels Are Too Low

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Could Vitamin D Help Protect You From The Virus? | This Morning

As the forecast turns towards scorching sunshine, new reports this week have suggested a link between vitamin D deficiency and the severity of the Coronavirus. Dr Chris separates fact from fiction when it comes to this important vitamin, and gives his advice on how to make sure you’re getting the right amount.
Broadcast on 20/05/20
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Vitamin D dose

Vitamin D dose
International units or micrograms
1,000 micrograms (mcg) in a milligram (mg)
1,000 milligrams (mg) in a gram (g)
1,000 grams in a kilogram (Kg)
1 kg is 2.2 pounds
IU mcg
400 10mcg
800 20mcg
1,000 25mcg
2,000 50mcg
4,000 100mcg


42% of people have a vitamin D deficiency

82.1% of black people

69.2% of Hispanic people.
Higher blood levels = over 33 ng/ml or 82.4 nmol/l
Lower blood levels less than 12 ng/ml or 30 nmol/l
50% lower risk of colorectal cancer
Consuming 1,000 IU (25 mcg) daily would help 50% of people reach a vitamin D blood level of 33 ng/ml (82.4 nmol/l)
Consuming 2,000 IU (50 mcg) daily would help nearly everyone reach a blood level of 33 ng/ml (82.4 nmol/l)
Taking 1,000 IU (25 mcg) of vitamin D daily reduced heart disease risk by 10%
Consuming 1,000–4,000 IU (25–100 mcg) of vitamin D daily should be ideal for most people to reach healthy vitamin D blood levels.
However, don’t consume more than 4,000 IU of vitamin D without your doctor's permission. It exceeds the safe upper limits of intake and is not linked to more health benefits

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