Note: Amazon has > 3,000 Vitamin D supplements
100 of 50,000 IU $21.90 = 4.4 cents per 5,000 IU
Criteria for Amazon's Choice seems to include:
Highly rated from user reviews; Competitively priced; Popular with shoppers searching for that keyword; Bestseller in its category; Available to ship immediately; Eligible for Prime delivery; Lower return rate than similar products
Bio-Tech Pharmacal
Status March 28, 2020 - they have stock of the D3-50,000 textVegicap
Bio-Tech makes the only Vitamin D which 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 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 | ||
Opinion: Founder of Vitamin D Life
> 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,
About half of the population are able to take virtually any Vitamin D pill
- Able to take pills
- Remember to take the pill daily
- Have a good gut (see below on this page for alternatives)
- Not allergic to fillers, oils, additives,
Most of the population can take 50,000 Bio-Tech bi-weekly
Take vitamin D3 daily or weekly Weekly or biweekly may be better than daily
1 50,000 IU pill every two weeks fights all of the following
Diabetes + Heart Failure + Chronic Pain + Depression + Autism + Breast Cancer + Colon Cancer + Prostate Cancer + Preeclampsia + Premature Birth + Falls + Cognitive Decline + Respiratory Tract Infection + Influenza + Tuberculosis + Chronic Obstructive Pulmonary Disease + Lupus + Inflammatory Bowel Syndrome + Urinary Tract Infection + Poor Sleep + Weight Loss + Growing Pain + Multiple Sclerosis + PMS + Schizophrenia (25 problems)
Overview Gut and vitamin D contains gut-friendly information
Getting Vitamin D into your body has the following chart
Getting Vitamin D into your body also has the following
If poorly functioning gut
Bio-D-Mulsion Forte – especially made for those with poorly functioning guts, or perhaps lacking gallbladder
Sublingual – goes directly into bloodstream
Oil: 1 drop typically contains 400 IU, 1,000 IU, or 4,000 IU, typically not taste good
Topical – goes directly into bloodstream. Put oil on your skin, Use Aloe vera cream with Vitamin D, or make your own
Vaginal – goes directly into bloodstream. Prescription only?
Bio-Tech might be useful – it is also water soluble
Vitamin D sprayed inside cheeks 2X more response (poor gut) – RCT Oct 2015
and, those people with malabsorption problems had a larger response to spray
Inject Vitamin D quarterly into muscle, into vein, or perhaps into body cavity if quickly needed
Nanoparticles could be used to increase vitamin D getting to the gut – Oct 2015
Poor guts need different forms of vitamin D has the following
Guesses of Vitamin D response if poor gut
| Bio | Form | Speed | Duration |
| 10 | Injection ($$$) or Calcidiol or Calcitriol | D - Slow C -Fast | Long |
| 10 | Sun/UVB | Slow | Long |
| 10 | Topical (skin patch/cream, vagina) | Slow Fast nano | Normal |
| 9 | Nanoemulsion -mucosal perhaps activates VDR | Fast | Normal |
| 9? | Inhaled (future) | Fast | Normal |
| 8 | Bio-D-Mulsion Forte | Normal | Normal |
| 6 | Water soluble (Bio-Tech) | Normal | Normal |
| 4 | Sublingual/spray (some goes into gut) | Fast | Normal |
| 3 | Coconut oil based | Slow | Normal |
| 2 | Food (salmon etc.) | Slow | Normal |
| 2 | Olive oil based (majority) | Slow | Normal |
10= best bioavailable, 0 = worst, guesses have a range of +-2
Speed: Fast ~2-6 hours, Slow ~10-30 hours
Duration: Long ~3-6 months, Normal = ~2 months