Low cost cofactors for vitamin D

It is IMPORTANT to have cofactors when taking more than 2000 IU vitamin D average

Supplements which the Admin of VitaminWiki takes - as of Oct 2016

Cofactor How Much Benefit Bone
teeth, nails
CommentsActual supplementation
by admin of VitaminDWiki
per day
Calcium <750mg Yes Is excess calcium harmful to health - 2010 0* = None: get from healthy food 0
Magnesium 100mg (element) YesMay increase response to Vitamin D by 30%
Many other health benefits as well
1/2 teaspoon of Magnesium Chloride daily
also topically on both knees nightly
Vitamin K2>100 ug Yes perhaps 100 ug/1000 IU of vitamin D Super K - all three forms in 1 capsule20
Vitamin A ? maybeneed some, but too much is bad 0* 0
Boron 10 mg Yes may increase D3 in blood by 25% Daily in granola in the morning 1
Silica ? Yes Daily - Horsetail 10
Strontium Yes rarely available in a cofactor pill0* 0
Zinc ??Might be needed by Vitamin D Receptors
Thus results not seen in Vitamin D tests
take 30 mg occasionally 0
Following are NOT cofactors
Omega-31 gNo helps health A LOT
May increase active D
1 Vectomega every other day - VERY bioavailable56
Poly fatsRatio of types of fat no Almonds have the best fat ratio
and they have Magnesium
daily mixed nuts5
Water 2.5 liters/quartsNoHelp flush kidneys of any excess Calcium
Perhaps only need this much if >10,000 IU
>1 quart per day, filtered0
Iodine ?? microgramsNo many people are deficient recently
I am currently researching the topic
600 micrograms on Vitamin D day ~1
Sun How much time varies with
skin type, age, latitude,
clothing, stand/lie . .
YesProbably better than vitamin D supplements30 minutes sun-nap 80 days/year0
Vitamin D2,000-15,000Yes Proven to prevent/treat 58+ diseases 12,000 IU avg - Winter (50,000 every 4 days)
10,000 IU avg - Summer 50,000 every 5 days)

Update 2015 - Good Health is more than Vitamin D and cofactors – my view

Magnesium is probably the most important cofactor

Notes as of April 2013

  • It is OK to take lots of vitamin D for a month or two (Even 50,000 IU daily for a month)
  • The first cofactor to consider to take would be Mg - as <1% of people get allergic reactions to vitamin D due to being very low on Mg
  • Cofactors in a nutshell: Calcium 500, Magnesium 500, Vitamin K-2 100 (or more)
  • Probably the milligrams of most cofactors, as well as IU Vitamin D, should vary with the weight

Looked at more than 100 suppliers of vitamin D liquid and solid co-factors Dec, 2010 - Feb 2011

  • Daily dose sometimes < 30 cents

Adequate amount of most co-factors and LOW cost:

SOLID: 2 or 3 pills per day: Strontium Osteo, ABC to Z (2x), etc. for about 35 cents per day

LIQUID: Osteo Density: 21 cents per day

SOLID summary

This is a small portion of the spreadsheet (attached at bottom of this page)


None of the solid (or liquid) co-factors are perfect

Jarrow Bone-Up ULTRA has 2X more vitamin D3 and vitamin K2 than the non ultra version - continues to lack vitamin A

Vitamin A can perhaps be skipped (get it in food), or is very low cost to get as a separate pill

LIQUID Summary CLICK HERE for details on another page

The lowest cost, Osteo Density, also happens to have a fairly good set of co-factors

Units* Trimedica Source of Life Osteo Density OsteoCalm Liquid Multi Ionic Fizz Good Amt.
Calcium mg 1200 250 750 367 600+ 250 1300**
Magnesiummg 600 125 300 133 300 300 400
Vitamin Kmcg - 150 100 (K1) 67 (K2) 80 45 120
Vitamin AIU - 10,000 - 5000 200 2503000
Boron mcg 50 - 2000 1000 1000 500 4000
Silicamg - - 100 2 - 60 -
Strontium mg - - - 100 - - -
Daily costcents-8121727242-

* Units of measure: mg = milligram = 0.001 gram, mcg = microgram = 0.000,001 gram, IU = International Unit
** 1300 mg Calcium only if taking less than 2000 IU of vitamin D, much less Calcium otherwise


  • Ionic Fizz Swanson $25 15 oz 60 servings per package $0.42 per day
    CLICK HERE for Fizz ingredients on another page

See also VitaminDWiki

see wikipagehttp://www.vitamindwiki.com/tiki-index.php?page_id=1936

See also web

  • Vitamin D council on co-factors May 2011
    • lots of description of magnesium
    • zinc (the base of the fingers of the Vitamin D Receptors contain a zinc molecule),
    • Vitamin K2 (Vitamin K helps direct Vitamin D to calcify the proper organs and prevents calcification of improper organs),
    • boron is involved in the rapid, non-genomic action of Vitamin D on the cell wall)
    • and a tiny amount of Vitamin A (coming soon as of May 2011) - too much vitamin A is a problem
    • does not mention Calcium, Silica, and Strontium which vitamin D needs to build bones
  • Co-factors June 2012 includes many links, including mineral balancing
  • Zinc—One of the Best Supplements to Help Fight Cold and Flu Mercola Dec 2012
    Deficiency due to monocropping, ACE inhibitors, thiazide diuretics, and acid-reducing drugs, diets low in bioavailable zinc and high in phytic acid
  • Zinc Mercola Sept 2013
    12% of Americans do not get minimum, and perhaps 40% of seniors, also some % of vegitarians (best bioavailable zinc comes from meat)
    used to get enough from food - but not much is lost in the food chain, including initial plant growth
    many easy tests for low zinc, including a taste test in your home (quick look at internet - take a Zinc Sulfate solution, and if you do not notice bitter taste you do not have enough zinc)
  • Poor Vitamin D Absorption Is Usually Not the Problem Easy Immune Health July 2014?
    Vitamin K, Vitamin A, Magnesium, Calcium - it also has the following graphic



SOLID details in spreadsheet and RTF files attached to the bottom of this page

short URL for this page = http://is.gd/cofactors

See also ZINC

  • Zinc and Vitamin D category listing has 12 items along with related searches
  • Comment by a person: The Vit D Receptor has a tiny zinc finger on the end of it, so if we don't get enough zinc we can't activate our VDR's

Cofactors from a single source - $1.40/day - Found May 2015

Bone Renewal Amazon
$40 for 30 days os serviings (5)- 2 breakfast, 3 dinner

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List of attached files
ID Name desc uploaded Size Downloads Actions
5569 jpg Bone Renewal - Synergy.jpg 05 June, 2015 by admin 69.36 Kb 6044 View Download  
4120 jpg Easy Immune.jpg 09 July, 2014 by admin 45.22 Kb 9704 View Download  
525 default Cofactor Solid April 2011.csv April 2011 03 Apr., 2011 by admin 1.44 Kb 1242 View Download  
524 png co-factors solid April 2011.png April 2011 03 Apr., 2011 by admin 25.63 Kb 18219 View Download  
523 default Co-factors solid.rtf April 2011 03 Apr., 2011 by admin 306.84 Kb 5478 View Download  
453 default Cofactor Solid Feb 2011.csv Solid CSV Feb 2011 11 Feb., 2011 by Editor 1.50 Kb 1208 View Download  
383 png osteo density 2.png 31 Dec, 2010 by admin 29.58 Kb 2079 View Download  
382 png osteo.png 30 Dec, 2010 by admin 21.70 Kb 2048 View Download  
381 png trimedica.png 30 Dec, 2010 by admin 18.13 Kb 2125 View Download  
380 png Osteodensity.png 30 Dec, 2010 by admin 56.25 Kb 1956 View Download  
379 png mens.png 30 Dec, 2010 by admin 36.55 Kb 2084 View Download  
378 png ionic fizz.png 30 Dec, 2010 by admin 86.36 Kb 2096 View Download  
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