Is HyD (25(OH)D) a better form of vitamin D for some animals and maybe humans with liver problems

Calcidiol is the form of vitamin D after liver processing

• Calcidiol category listing has 45 items along with related searches
• Oral calcidiol is a good form of vitamin D supplementation – Aug 2017
• Calcidiol increased blood levels of Vitamin D in one month (dogs) – Feb 2021
• Liver transplant needs Vitamin D (actually semi-activated, not regular) – May 2017
• Which Vitamin D May Be More Effective Than Vitamin D3? Nutrienology 2012?
• Hy-D® – strength to succeed DSM company website – for animals
• Vitamin D3 vs serum D3 (Calcitriol, HyD) – Jan 2012 full study is in VitaminDWiki
• Calcifediol (Calcidiol) might be a better form of Vitamin D for some people – May 2019
• Novel roles for vitamin D in animal immunity and health Journal of Animal Science Jan 2014
  Discusses Vitamin D and HyD – paper is behind a $15 paywall
• Overview Liver and vitamin D probably should consider Calcidiol if have liver problems or perhaps have had gallbladder removed
• Calcidiol may be 5X more effective than Vitamin D3 – June 2012
• Solanum glaucophyllum (a purple flower) produces active vitamin D3
• Search VitaminDWiki for DSM 549 hits Sept 2020
• Vitamin D levels around the world - DSM review June 2014
• Pigs have about 2X less variation in response to calcidiol as humans do to vitamin D – 2015
• Getting Vitamin D into your body has the following chart

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DSM recommendations of Vitamin D AND/OR their HyD product

Note the IUs are per of dry FEED, not WEIGHT
It seems that a human adult eats about 2 kg of dry food per day, so might multiply by 2X for human adult
2011 PDF is attached at the bottom of this page has all of the recommended nutrients

Updated Animals get a lot more vitamin D than minimum recommended for humans – 2016