Foods, fortificants, and supplements: where do Americans get their nutrients? - 2011
Nutrition Impact LLC
Vitamin D
Found InFish, milk, and fortified dairy products
FormCholecalciferol
SourceLichens
SupplierThe GHT Companies / ESB Developments Ltd
Final Location of ManufacturingNottingham, UK
FunctionNutrient
Get to Know Our Supplier
Benefits
Bone Health*
Immune Support*
Ritual uses Vitashine™, a Certified Vegan D3 ingredient made from sustainably-sourced lichen.
Vitamin D3 assists with calcium absorption.*
+Calcium
Evidence-Based or Bust
We use nutrients backed by a significant body of research that is growing every day. Of the thousands of unaffiliated studies our in-house scientists sorted through to guide our choices, the titles below are some relevant MVPs.
Randomized comparison of the effects of the vitamin D3 adequate intake versus 100 mcg (4000 IU) per day on biochemical responses and the wellbeing of patients - 2004
University of Toronto
Effectiveness and safety of vitamin D in relation to bone health - 2007
University of Ottawa
Does high dose vitamin D supplementation enhance cognition?: A randomized trial in healthy adults - 2017
University of Northern British Columbia
Unexpected actions of vitamin D: new perspectives on the regulation of innate and adaptive immunity - 2008
University of California at Los Angeles
The impact of 1-year vitamin D supplementation on vitamin D status in athletes: a dose–response study - 2016
Wageningen University
Effects of vitamin D2-fortified bread v. supplementation with vitamin D2 or D3 on serum 25-hydroxyvitamin D metabolites: an 8-week randomised-controlled trial in young adult Finnish women - 2016
University of Helsinki
There are 50,918 studies on Vitamin D and counting
Substantiation is a living, breathing thing. We are constantly reviewing new research.
