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One pill every two weeks gives you all the vitamin D most adults need

50,000 IU of Vitamin D once every two weeks proven to prevent/treat:


Diabetes + Heart Failure + Chronic Pain + Depression + Autism + Breast Cancer + Colon Cancer + Prostate Cancer + BPH (prostate) + Preeclampsia + Premature Birth + Falls + Cognitive Decline + Respiratory Tract Infection + Influenza + Tuberculosis + Chronic Obstructive Pulmonary Disease + Lupus + Inflammatory Bowel Syndrome + Urinary Tract Infection + Poor Sleep + Growing Pain + Multiple Sclerosis + PMS + Schizophrenia + Endometriosis + Smoking    27 problems
   Note: Once a week also fights: COVID, Headaches, Colds, Fibromyalgia, Asthma, Hives, Colitis etc.

See down this page: Additional health problems fought by 50,000 Vitamin D WEEKLY

33 additional, for a total of 61 health problems fought if take 50,000 IU weekly

CLICK HERE to see the scientific proof for each health problem treated by bi-weekly 50,000 IU

Diabetes

Heart Failure

Chronic Pain

Depression

Autism

Breast cancer

Colon Cancer

Prostate Cancer

Enlarged prostate

Preeclampsia

Premature Birth

Falls

Cognitive Decline

Respiratory Tract Infection

Influenza

Tuberculosis

Chronic Obstructive Pulmonary Disease

Lupus

Inflammatory Bowel Syndrome

Urinary Tract Infection

Multiple Sclerosis

PMS

Schizophrenia

Endometriosis

Smoking

Note - Magnesium and Omega-3 supplementation often provide similar benefits for the above health problems

Taking one 50,000 IU capsule of Vitamin D3 every two weeks will result in 80% of adults bringing their blood levels to above 40 nanograms/ milliliter in 2-6 months, an optimal level for good health.
You can take 50,000 IU pills daily in the first week and feel the benefits by the end of the week
   Feeling the benefits quickly greatly increases the likelihood that you will continue with supplementation

50,000 IU To feel benefits in a weekTo maintain >40 ng/ml
for 80% of people
Adult1 per day 1 every 2 W
Adult - high risk* 2 per day 1 every week
*About 20% of adults are at high risk for Vitamin D deficiency: especially those who are obese, pregnant, shut-in, avoid the sun, have dark skin, are elderly, live far from the equator, or need to deal with an illness, injury, or surgery. They need at least 2 times more Vitamin D.

A 50,000 IU capsule costs as little as 20 cents ($20 retail for a bottle of 100 capsules Amazon US )
The very lowest cost source and highest quality of vitamin D3 50,000 IU capsule = Bio-Tech
You can order it from Amazon US (Amazon has the lowest price, but has a policy to not ship any health care products out of a country)

   *UK company that ships Bio-Tech products to all the European countries

  WLS sells Bio-Tech from the Netherlands to Europe
Many companies on Amazon supply Vitamin D - Sept 2017
Can get 50,000 IU Vitamin D anywhere on the globe

Dose sizeSuppliers
50,000 IU 18+
Feb 2024
10,000 IU 30+
5,000 IU 500+
4,000 IU
Upper limit
specified by IoM
20+

An adult who is not at high risk for vitamin D deficiency can achieve an optimal level with just 8 capsules of 50,000 IU
If at high risk: at least double the number of capsules will be needed for loading and maintenance

Bio-Tech Pharmacal

Status March 28, 2020 - they have stock of the D3-50,000 textVegicap
Bio-Tech makes the only Vitamin D that has ALL of these features:

 Very low cost 50,000 IU capsule appears to be the lowest-cost source in the world
 Contains no additives  Nothing to cause an allergy
 Does not have oil base   Oil is associated with about 20% reduction in response in a clinical trial
   water-soluble is far more absorbable
 Tasteless   No unpleasant taste or odor as with some liquids
 Tiny capsule need not
 be swallowed
  You can put the capsule powder
into the water, milk (animal or plant), juice, food, etc
 and consume your vitamin D over the period of days.
 Kosher and Halal certified  Vegi-cap (needed for Kosher) is more expensive
 Gut friendly  Though some companies have even gut friendlier forms

Image
Opinion: Founder of VitaminDWiki
> 95% of people will get full benefit from Bio-Tech Vitamin D
~50% of people will get full benefit from most of the other brands of vitamin D
   due to poor gut, allergies, unable to take pills, etc,

Alternately, take 4,000 IU daily (instead of 50,000 bi-weekly
   cost is 4X higher, and have 13 more opportunities to forget

Note: The Institute of Medicine says the upper limit is 4,000 IU (average per day)

4,000 IU To feel benefits in a weekTo maintain >40 ng/ml
80% of people
Adult20 per day for 4 days 1 per day
Adult - high risk* 40 per day for 4 days 2 per day
Child10 per day for 4 daysevery other day


Additional companies that ship internationally include (Note: customs rarely seem concerned about dose size if small quantities, especially via mail)
Can get 50,000 IU Vitamin D anywhere on the globe 16 companies state weekly dosing as of Nov 2023
Swansons,    Life Extension Foundation    Vitaminshoppe    Nutrition Express - can sort by size or type    Ebay 35,000 listings in Jan 2024

Cofactors should be adjusted- especially if take for many months


Reduce Calcium intake to 500 mg/day (dairy products, food, supplements)
Increase Magnesium supplements to 500 mg/day


Additional Vitamin D references

Every 2 weeks 50,000 IU

What is an Optimal Level: 40 ng, 50 ng, 60 ng, 80 ng?

Image
Loading doses of Vitamin D

High Risk of having low vitamin D levels

Extremely low Toxicity Note: 50,000 IU is not even toxic if taken daily for 30 days

Use the same 50,000 IU pill monthly for children

Other Vitamin D information


33 additional Health Problems fought when taking 50,000 IU Vitamin D weekly

ADHDAttention-Deficit Hyperactivity Disorder treated by weekly 50,000 IU of vitamin D – RCT Nov 2018
AnxietyGeneral Anxiety Disorder treated by weekly Vitamin D (50,000 IU -Omega-3, Mg also help) – Sept 2019
Asthma Asthma reduced by weekly 50,000 IU of vitamin D – RCT Aug 2014
Back Pain
Chronic
Chronic Back Pain relieved by weekly 60,000 IU of vitamin D – Jan 2017
Breast Cancer50,000 IU Vitamin D weekly was the most popular for Breast Cancer - May 2020
ColdsChildhood colds reduced 25 percent by weekly Vitamin D – RCT Jan 2019
Cardiovascular50,000 IU of Vitamin D weekly for 6 months after cardiac failure helps – RCT May 2022
COPDCOPD fought by Vitamin D - many studies
CognitionSenior cognition improved in 4 ways by Vitamin D (50,000 IU weekly for 8 weeks) – Sept 2023
Cognitive function of adult women improved in 3 months of 50,000 IU weekly Vitamin D – Jan 2019
COVIDConsensus: 60,000 IU of Vitamin D weekly for 2-6 months can fight COVID, etc, – India April 2022
COVID etc. prevented and treated with 50,000 IU Vitamin D capsules - July 2022
Depression
(dup of 2 weeks)
Depression in adolescent girls reduced somewhat by 50,000 IU weekly for 9 weeks – July 2017
Yet another study confirms Depression is treated by weekly Vitamin D (50,000 IU)– RCT Dec 2019
Depression decreased after vitamin D (50,000 IU weekly to elderly in the case) – RCT Oct 2019
Depression in seniors greatly reduced by Vitamin D (e.g. 50,000 IU) – meta-analysis June 2023
Diabetes
(dup of 2 weeks)
Diabetic nephropathy (Kidney) treated by 50,000 IU of vitamin D weekly – RCT Jan 2019
Diabetic inflammation reduced by Vitamin D (30,000 IU weekly) – RCT July 2020
Prediabetes reduced by weekly 60,000 IU of Vitamin D – RCT Jan 2021
Fibromyalgia Fibromyalgia treated with Vitamin D (50,000 IU weekly for 3 months) – 2016, 2017, 2018, 2019 2023
Hashimoto's
thyroiditis
Hashimoto's thyroiditis helped by weekly 50,000 IU of vitamin D – RCT May 2019
Hay FeverHay Fever treated by Vitamin D (50,000 IU weekly) – RCT July 2019
Hives Hives treatment augmented by 60,000 IU Vitamin D weekly – RCT June 2015
Hypertension
– pulmonary
Pulmonary hypertension reduced in some people with weekly 50,000 IU vitamin D for 3 months – 2016
Immune SystemImmune systems helped by 50,000 IU of vitamin D (weekly for 3 months) – May 2021
InfantWeekly Vitamin D to mother after birth much better than daily - RCT Aug 2018
IBS
(dup of 2 weeks)
IBS diarrhea treated by weekly 50,000 IU of Vitamin D – RCT March 2020
Irritable Bowel Syndrome treated by weekly 50,000 IU Vitamin D – RCT Feb 2019
IBS reduced by 50,000 IU of Vitamin D (weekly or bi-weekly) – Meta-analysis July 2023
Kidney Disease Hemodialysis patients (CKD) helped by weekly 50,000 IU of vitamin D – Jan 2017
Migraine Migraine headaches reduced with 50,000 IU vitamin D weekly – RCT July 2015
ObesityObese lost more weight on diet if added 50,000 IU of vitamin D weekly – many RCTs
Multiple Sclerosis
Relapse
No multiple sclerosis relapses during pregnancy if 50,000 IU of Vitamin D weekly – RCT April 2015
Multiple Sclerosis treated equally by UVB and weekly 50,000 IU of Vitamin D – RCT July 2023
Multiple Sclerosis
Fatigue
Multiple Sclerosis fatigue reduced by weekly Vitamin D (50,000 IU) – June 2023
Muscles - women Muscles improved in women with 50,000 IU vitamin D weekly (8 weeks) plus daily Magnesium – RCT Sept 2020
Muscle pain in obese women reduced by aerobic exercise plus 50,000 IU Vitamin D - RCT May 2021
Osteoarthritis – knee Knee osteoarthritis treated with vitamin D, weekly 50,000 IU – May 2015
Pain
(dup of 2 weeks)
7 improvements in lives of veterans with chronic pain with 50,000 IU vitamin D weekly – June 2012
Pain reduced by Vitamin D (60K weekly, then monthly) plus daily Calcium in 3 months – May 2021
PMS PMS in teens reduced 3X by 50,000 IU vitamin D weekly – Jan 2018
Sleep ApneaMild Obstructive Sleep Apnea decreased by 50,000 IU weekly vitamin D – June 2021
Sports
Performance
Athletes helped by weekly 50,000 IU Vitamin D – RCT Aug 2019
50,000 IU Vitamin D weekly provided enough benefit for combat sport athletes – March 2020
StrokeStroke patients getting weekly 50,000 IU Vitamin D did better – trial March 2021
SurgeryWeekly oral Vitamin D recommended before surgery (Bariatric in this case) – RCT June 2019
TonsillitisChronic tonsillitis virtually eliminated in children by Vitamin D (50,000 IU weekly) – RCT May 2023
Ulcerative
Colitis
Ulcerative Colitis inflammation treated by weekly vitamin D (40,000 IU) – July 2018
Ulcers – Venous Venous ulcers healed 4X faster with weekly 50,000 IU vitamin D – RCT Oct 2012
UTI
(dup of 2 weeks)
Urgency Urinary Incontinence in senior black women decreased 40 percent by weekly 50,000 IU vitamin D – RCT Dec 2018
Urinary Incontinence reduced by 50,000 IU of vitamin D weekly (details behind paywall) – RCT Feb 2023

See also


Health problems fought by 50,000 IU weekly:or bi-weekly


ADHD,  Anxiety,  Asthma,  Autism,  Back Pain,  BPH (prostate),  Cancer - Breast,  Cancer - Colon,  Cancer - Prostate,  Cardiovascular,  Chronic Obstructive Pulmonary Disease,  Cognitive Decline,  Colds,  COVID,  Depression,  Diabetes,  Endometriosis,  Falls,  Fibromyalgia,  Hashimoto's Thyroiditis,  Hay Fever,  Heart Failure,  Hives,  Hypertension – Pulmonary,  Immune System,  Infant,  Inflammatory Bowel Syndrome,  Influenza,  Kidney Disease,  Knee-Pain,  Lupus,  Migraine,  Multiple Sclerosis,  Muscles - women, Obesity,  Pain - Chronic,  Pain - Growing,  PMS,  Preeclampsia,  Premature Birth,  Respiratory Tract Infection,  Schizophrenia,  Sleep-Poor,  Sleep Apnea,  Smoking,  Sports Performance,  Stroke,  Surgery,  Tonsilitis,  Tuberculosis,  Ulcerative Colitis,  Ulcers – Venous,  Urinary Tract Infection   click here for proof


50,000 IU of Vitamin D - many studies 253+

short URL = is.gd/vitdweek

One pill every two weeks gives you all the vitamin D most adults need        
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