Vitamin D3
Synopsis of vitamin D3
Vitamin D3, also known as cholecalciferol, is a fat-soluble vitamin that plays a crucial role in maintaining calcium homeostasis, promoting bone health, and supporting immune function. It is the naturally occurring form of vitamin D, synthesized in the skin in response to sunlight (ultraviolet B radiation) and found in certain animal-based foods such as fatty fish, liver, egg yolks, and fortified dairy products.
Vitamin D3 is essential for the absorption of calcium and phosphorus in the intestines, both of which are critical for bone mineralization and skeletal integrity. It helps regulate the parathyroid hormone (PTH) and bone resorption, ensuring that calcium is properly deposited in bones and teeth rather than in soft tissues. Adequate vitamin D levels are important for preventing osteoporosis, rickets, and osteomalacia.
Vitamin D3 also plays a role in immune function, supporting both the innate and adaptive immune systems. It has been linked to a lower risk of infections, particularly respiratory infections like the flu and COVID-19, as well as chronic conditions like autoimmune diseases and cardiovascular disease. Additionally, vitamin D3 has anti-inflammatory effects, supporting the body’s ability to manage inflammatory responses.
Historical Use:
The importance of vitamin D and its role in bone health was first recognized in the early 20th century, when scientists discovered that rickets, a condition characterized by soft, weakened bones in children, was linked to a deficiency in vitamin D. The relationship between vitamin D and calcium metabolism was established during the same period, and by the 1920s, vitamin D was being used to treat rickets.
In the early 20th century, the discovery of cod liver oil as a natural source of vitamin D led to its widespread use as a remedy for rickets. Cod liver oil became the primary means of vitamin D supplementation, particularly for children, and its use persisted into the mid-20th century as a common household remedy. At the same time, the link between sunlight exposure and vitamin D synthesis was established, with early studies showing that people who lived in sunnier regions or worked outdoors had higher levels of vitamin D and lower rates of rickets.
As more research was conducted, vitamin D was found to have other health benefits beyond bone health, including its role in immune function and chronic disease prevention. During the mid-20th century, vitamin D fortification in foods such as milk became common, significantly reducing the incidence of rickets in developed countries.
By the late 20th and early 21st centuries, vitamin D was increasingly recognized for its role in preventing a range of chronic conditions, including heart disease, diabetes, and autoimmune disorders. The growing body of evidence linking vitamin D to overall health has led to widespread use of vitamin D supplements, particularly vitamin D3, which is considered more effective at raising blood levels of vitamin D than vitamin D2 (ergocalciferol).
Vitamin D3 is used for these health conditions
Alzheimer's Disease (Scientific)
Anemia (Scientific)
Arthritis (Scientific)
Asthma (Scientific)
Autoimmune Disorders (Scientific)
Backache (Scientific)
Cancer (natural therapy for) (Scientific)
Cancer (prevention) (Scientific)
Cancer Treatment (reducing side effects) (Scientific)
Cardiovascular Disease (Scientific)
Dementia (Scientific)
Depression (Scientific)
Diabetes (Scientific)
Eczema (Scientific)
Fibromyalgia Syndrome (Scientific)
Hair (loss or thinning) (Scientific)
Hashimoto's Disease (Scientific)
Hypertension (Scientific)
Infection (Scientific)
Infection (viral) (Scientific)
Inflammation (Scientific)
Inflammatory Bowel Disorders (Scientific)
Lupus (Scientific)
Memory and Brain Function (Scientific)
Menopause (Scientific)
Migraine (Scientific)
Multiple Sclerosis (Scientific)
Osteoporosis (Scientific)
Parkinson's Disease (Scientific)
Psoriasis (Scientific)
Rheumatoid Arthritis (Scientific)
Seasonal Affective Disorder (Scientific)
Teeth (loose) (Scientific)
Testosterone (low) (Scientific)
Tooth Decay (Scientific)
Tuberculosis (Scientific)
Wounds and Sores (Scientific)
vitamin D3 is used to support these body systems
Blood (Scientific)
Brain (Scientific)
Circulatory System (Scientific)
Glandular System (Scientific)
Heart (Scientific)
Immune System (Scientific)
Intestinal System (Scientific)
Kidneys (Scientific)
Lungs (Scientific)
Mitochondria (Scientific)
Muscles (Scientific)
Parathyroid Glands (Scientific)
Respiratory System (Scientific)
Skeletal System (Bones) (Scientific)
Skin (Scientific)
Small Intestines (Scientific)
Teeth (Scientific)
Products containing vitamin D3
Designs For Health
Acnutrol™ capsules
Designs For Health
ADK-Evail™
Metagenics
AdvaClear
Metagenics
AdvaClear
Thorne
Advanced Bone Support Oscap
Thorne
Advanced Nutrients Multivitamin
Metagenics
Akkermansia Co.™ Healthy Weight with Glucose Control
Metagenics
Axis Endo™ Mango
Pure Encapsulations
Balanced Immune
Thorne
Basic Nutrients 2/Day Multivitamin
Thorne
Basic Prenatal Multivitamin
Designs For Health
BioFizz® Immune
Metagenics
Bone Builder Active
Metagenics
Bone Builder Chewable Chocolate
Metagenics
Bone Builder Plus
Metagenics
Bone Builder Forte
Metagenics
Bone Builder Magnesium
Metagenics
Bone Builder Prime
Metagenics
Bone Builder with Magnesium
Douglas Laboratories
C-D-Zinc
Pure Encapsulations
Cal/Mag/D
Pure Encapsulations
CAL+ with Ipriflavone
Pure Encapsulations
CAL+ with Ipriflavone
Pure Encapsulations
Calcium K/D
Designs For Health
Calcium Malate
Pure Encapsulations
Calcium with Vitamin D3
Designs For Health
Chromium Synergy™
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus Berry
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus pH
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus pH Pineapple Banana
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus Pineapple Banana
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus Vanilla
Metagenics
Clear Change 10-Day Detox Program with UltraClear RENEW Berry
Metagenics
Clear Change 10-Day Detox Program with UltraClear RENEW Chai
Metagenics
Clear Change 10-Day Detox Program with UltraClear RENEW Vanilla
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus Berry
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus pH Pineapple Banana
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus pH Vanilla
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus Pineapple Banana
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus Vanilla
Metagenics
Clear Change 28-Day Detox Program with UltraClear RENEW Berry
Metagenics
Clear Change 28-Day Detox Program with UltraClear RENEW Chai
Metagenics
Clear Change 28-Day Detox Program with UltraClear RENEW Vanilla
Metagenics
Clear Change Daily Essentials
Integrative Therapeutics
Clinical Nutrients HP
Pure Encapsulations
Cortisol Calm
Pure Encapsulations
Cortisol Calm
Designs For Health
D Evail™ 10K
Designs For Health
D-Evail™ Supreme
Pure Encapsulations
Daily Immune
Designs For Health
DFH Complete Multi™
Designs For Health
DFH Complete Multi™ with Copper
Designs For Health
Emulsi-D3 Synergy™
Pure Encapsulations
EmulsiSorb K2D3
Pure Encapsulations
Energize Plus™ Pure Pack
Metagenics
Fem Prenatal®
Metagenics
GI Sustain™ Powder
Designs For Health
Hi-Po Emulsi-D3™
Metagenics
ImmuCore
Metagenics
Immune Defense Pack
Integrative Therapeutics
ITI Vitamin D3 5000 iu
Integrative Therapeutics
K-PAX MitoNutrients
Douglas Laboratories
K2-D3 with Astaxanthin
Metagenics
Ketogenic Shake Chocolate
Metagenics
Ketogenic Shake Vanilla
Klean Athlete
Klean-D 1000
Klean Athlete
Klean-D ™ 5000 IU
Klean Athlete
Klean Essential Aminos + HMB®
Klean Athlete
Klean Multivitamin ™
Designs For Health
Liposomal Cat's Claw
Designs For Health
Liposomal D Supreme
Douglas Laboratories
Liquid Cal/Mag/D
Integrative Therapeutics
Liquid Calcium Magnesium Berry Flavored
Integrative Therapeutics
Liquid Calcium Magnesium Orange Vanilla
Douglas Laboratories
Liquid D and K
Douglas Laboratories
Liquid Multivitamin
Douglas Laboratories
Liquid Vitamin D-3
Integrative Therapeutics
Magtein L-Threonate Plus
Thorne
MediClear Plus
Thorne
Men's Multi 50+
Designs For Health
Metabolic Synergy™
Designs For Health
Metabolic Synergy™
Metagenics
MetaGlycemX™
Metagenics
MetaGlycemX
Metagenics
MetaKids Multi Soft Chew Grape
Metagenics
MetaKids Nutrition Powder Chocolate
Metagenics
MetaKids Nutrition Powder Vanilla
Metagenics
MetaKids Vitamin D3 Liquid
Douglas Laboratories
Methlyated Resveratrol Plus
Pure Encapsulations
Multi t/d
Pure Encapsulations
Multi t/d
Metagenics
Multigenics®
Metagenics
Multigenics Chewable Orange
Metagenics
Multigenics Intensive Care
Metagenics
Multigenics Intensive Care without Iron
Metagenics
Multigenics without Iron
Douglas Laboratories
Muscle Protect™ with HMB®
Designs For Health
MyoStim™
Pure Encapsulations
NeuroMood Pure Pack
Pure Encapsulations
Nutrient 950®
Pure Encapsulations
Nutrient 950®
Pure Encapsulations
Nutrient 950®
Pure Encapsulations
Nutrient 950® A without Copper & Iron
Pure Encapsulations
Nutrient 950® with NAC
Pure Encapsulations
Nutrient 950® with Vitamin K
Pure Encapsulations
Nutrient 950® without Copper, Iron & Iodine
Pure Encapsulations
Nutrient 950® without Iron
Pure Encapsulations
Nutrient 950® without Iron
Pure Encapsulations
O.N.E.™ Multivitamin
Pure Encapsulations
O.N.E.™ Multivitamin
Designs For Health
OmegAvail™ Ultra with Vitamin D3, K1 and K2
Pure Encapsulations
OsteoBalance
Pure Encapsulations
OsteoBalance
Designs For Health
Osteoben®
Designs For Health
OsteoForce™
Designs For Health
OsteoForce™
Designs For Health
OsteoForce™ Supreme
Integrative Therapeutics
Osteoprime Forte
Integrative Therapeutics
Osteoprime Ultra
Designs For Health
PaleoCleanse Plus™
Designs For Health
PaleoCleanse Plus™
Designs For Health
PaleoCleanse Plus™ Detox Program
Designs For Health
PaleoCleanse Plus™Chocolate Detox Kit
Integrative Therapeutics
Physicians Elemental Diet Dextrose Free
Integrative Therapeutics
Physician's Elemental Diet
Integrative Therapeutics
Physician's Elemental Diet
Integrative Therapeutics
Physicians Elemental Diet Kit
Metagenics
PhytoMulti™ Multivitamin
Metagenics
PhytoMulti With Iron
Metagenics
PhytoMulti Without Iron
Metagenics
PhytoMultivitamin
Designs For Health
Plant Protein Cleanse
Designs For Health
Plant Protein Cleanse Plus™ 570g
Metagenics
PlusOne® Daily Prenatal Packs
Pure Encapsulations
Polyphenol Nutrients
Pure Encapsulations
Polyphenol Nutrients
Douglas Laboratories
Prenatal
Pure Encapsulations
PreNatal Nutrients
Pure Encapsulations
PreNatal Nutrients
Designs For Health
Prenatal Pro™
Designs For Health
Primal Multi™
Designs For Health
Prostate Supreme™
Designs For Health
Prostate Supreme™
Integrative Therapeutics
ProThrivers Multivitamin
Pure Encapsulations
PureDefense with NAC
Pure Encapsulations
PureDefense with NAC
Pure Encapsulations
PureGenomics® UltraMultivitamin
Pure Encapsulations
PureHeart® K2D
Pure Encapsulations
PureLean® Protein
Pure Encapsulations
PurePals with Iron
Pure Encapsulations
PureResponse™ Multivitamin
Douglas Laboratories
QUELL Fish Oil ® - EPA/DHA Plus D
Pure Encapsulations
Sereniten Plus
Douglas Laboratories
Sereniten Plus
Pure Encapsulations
SP Ultimate
Pure Encapsulations
SP Ultimate
Pure Encapsulations
Synergy K
Pure Encapsulations
Synergy K
Integrative Therapeutics
Testosterone Formula
Metagenics
Testralin®
Pure Encapsulations
Thyroid Support Complex
Metagenics
Thyrosol
Designs For Health
Twice Daily Essential Packets
Designs For Health
Twice Daily Multi™
Designs For Health
Twice Daily Multi™
Designs For Health
Twice Daily Multi™
Metagenics
Ultra Glucose Control® Chocolate
Metagenics
Ultra Glucose Control Chocolate
Metagenics
Ultra Glucose Control Vanilla
Metagenics
Ultra Glucose Control Vanilla
Douglas Laboratories
Ultra Preventive
Douglas Laboratories
Ultra Preventive
Douglas Laboratories
Ultra Preventive ® 2 Daily
Douglas Laboratories
Ultra Preventive 50+ -EZ Swallow
Douglas Laboratories
Ultra Preventive ®-EZ Swallow
Douglas Laboratories
ULTRA PREVENTIVE® III W/COPPER
Douglas Laboratories
Ultra Preventive ® Kids Grape Flavor
Douglas Laboratories
Ultra Preventive ® Kids Orange Flavor
Douglas Laboratories
Ultra Preventive One Daily
Douglas Laboratories
Ultra Preventive® X
Metagenics
Ultra Prostagen Concentrated
Douglas Laboratories
Ultra Protein Green
Pure Encapsulations
Ultra Pure Pack
Metagenics
UltraClear Detox Powder
Metagenics
UltraClear Plus® Detox Powder
Metagenics
UltraClear Plus Detox Powder Berry
Metagenics
UltraClear Plus Detox Powder Pineapple/Banana
Metagenics
UltraClear Plus pH Detox Powder Pineapple/Banana
Metagenics
UltraClear Plus pH Detox Powder Vanilla
Metagenics
UltraClear RENEW Detox Powder Berry
Metagenics
UltraClear RENEW Detox Powder Chai
Metagenics
UltraClear RENEW Detox Powder Vanilla
Pure Encapsulations
UltraDetox 10-Day Pure Pack
Metagenics
UltraGI Replenish® Chocolate
Metagenics
UltraGI Replenish Chocolate
Metagenics
UltraGI Replenish Vanilla
Metagenics
UltraGI Replenish Vanilla
Metagenics
UltraInflamX Plus 360°® Chocolate/Orange
Metagenics
UltraInflamX Plus 360° Mango
Metagenics
UltraInflamX Plus 360° Mango
Metagenics
UltraInflamX Plus 360° Orange
Metagenics
UltraInflamX Plus 360° Original Spice
Metagenics
UltraInflamX Plus 360° Pineapple/Banana
Metagenics
UltraInflamX Plus 360° Pineapple/Banana
Metagenics
UltraMeal Advanced Protein® Dutch Chocolate
Metagenics
UltraMeal Advanced Protein French Vanilla
Metagenics
UltraMeal Advanced Protein Plain
Metagenics
UltraMeal Cardio 360°® Pea/Rice Chocolate
Metagenics
UltraMeal Cardio 360° Pea/Rice Vanilla
Metagenics
UltraMeal® Daily Support Dutch Chocolate
Metagenics
UltraMeal Daily Support Mixed Berry
Metagenics
UltraMeal Rice Vanilla
Pure Encapsulations
UltraNutrient®
Pure Encapsulations
UltraNutrient®
Pure Encapsulations
UltraNutrient®
Pure Encapsulations
VisionPro Nutrients
Thorne
Vitamin D-1,000
Douglas Laboratories
Vitamin D 1,000 I.U.
Thorne
Vitamin D-10,000
Vitabase
Vitamin D-3
Douglas Laboratories
Vitamin D 5,000 I.U.
Douglas Laboratories
Vitamin D 5,000 I.U.
Thorne
Vitamin D-5000 NSF
Thorne
Vitamin D + K2
Thorne
Vitamin D Liquid
Designs For Health
Vitamin D Supreme
Designs For Health
Vitamin D Supreme
Designs For Health
Vitamin D Supreme
Designs For Health
Vitamin D Synergy
Pure Encapsulations
Vitamin D3
Pure Encapsulations
Vitamin D3 10 mcg 400 IU
Metagenics
Vitamin D3 1000™
Vitabase
Vitamin D3 1000 IU
Metagenics
Vitamin D3 10,000 + K
Pure Encapsulations
Vitamin D3 125 mcg 5,000 IU
Pure Encapsulations
Vitamin D3 125 mcg 5,000 IU
Pure Encapsulations
Vitamin D3 125 mcg 5,000 IU
Metagenics
Vitamin D3 2000 Complex
Integrative Therapeutics
Vitamin D3 2000 iu
Pure Encapsulations
Vitamin D3 25 mcg 1,000 IU
Pure Encapsulations
Vitamin D3 25 mcg 1,000 IU
Pure Encapsulations
Vitamin D3 25 mcg 1,000 IU
Pure Encapsulations
Vitamin D3 250 mcg 10,000 IU
Pure Encapsulations
Vitamin D3 250 mcg 10,000 IU
Metagenics
Vitamin D3 5000
Metagenics
Vitamin D3 5000 + K
Metagenics
Vitamin D3 Liquid
Pure Encapsulations
Vitamin D3 Vegan
Pure Encapsulations
Vitamin D3 Vegan
Pure Encapsulations
Vitamin D3 VESIsorb®
Integrative Therapeutics
Vitamin K2+D3
Metagenics
Wellness Essentials Active Daily Packs
Metagenics
Wellness Essentials Brain Health Daily Packs
Metagenics
Wellness Essentials® Daily Packs
Metagenics
Wellness Essentials Healthy Balance Daily Packs
Metagenics
Wellness Essentials Men's Vitality Daily Packs
Metagenics
Wellness Essentials Women's Daily Packs
Metagenics
Wellness Essentials Women's Prime Daily Packs
Thorne
Women's Multi 50+
Pure Encapsulations
Women's Nutrients
Designs For Health
Women's Twice Daily Essential Packets
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