Evidence supporting the use of: Vitamin D2
For the health condition: Autoimmune Disorders
Synopsis
Source of validity: Scientific
Rating (out of 5): 2
Vitamin D2 (ergocalciferol) is sometimes used to support or treat autoimmune disorders, but the evidence is moderate and primarily extrapolated from broader research on vitamin D and immune function. Most clinical and mechanistic studies have focused on vitamin D in general, with a preference for vitamin D3 (cholecalciferol), which is more effective at raising and maintaining serum 25(OH)D levels. Both forms are converted in the body to the active hormone (1,25-dihydroxyvitamin D), which modulates immune responses by influencing T cell function and cytokine production. Observational studies have linked vitamin D deficiency with increased risk and severity of several autoimmune conditions, such as multiple sclerosis, type 1 diabetes, and rheumatoid arthritis. Some small intervention trials and animal studies suggest vitamin D supplementation can reduce disease activity, but most do not distinguish between D2 and D3. Overall, vitamin D2 can help correct deficiency, which may have indirect benefits for people with autoimmune disorders, but direct evidence for its efficacy in treating these conditions is limited and weaker compared to vitamin D3. Guidelines generally recommend correcting vitamin D deficiency in autoimmune disease but do not specifically endorse D2 over D3.
Other ingredients used for Autoimmune Disorders
adrenal cortexamino acids
ashwagandha
astragalus
bacillus subtilis
Bifidobacterium infantis
Bifidobacterium longum
bupleurum falcatum
cat's claw
colostrum
turmeric
curcumin
epigallocatechin gallate (EGCG)
gamma linolenic acid (GLA)
ginger
green-lipped mussel
green tea
immunoglobin G
Indian tinospora
L-glutamine
L-glutathione
L-glycine
Lactococcus lactis
Lactoferrin
Lentinula edodes mycelia
licorice root
luteolin
magnesium
Melatonin
N-acetyl-cysteine (NAC)
omega-3 fatty acids
prebiotic blend (proprietary)
quercetin
resveratrol
selenium
shiitake mushroom
specialized pro-resolving mediators (SPMs)
Turkey tail mushroom
vitamin B12
vitamin C
vitamin D
vitamin D3
vitamin E
Whey protein
Zinc
shen-chu
Tylophora
Tinospora cordifolia
herbal blend (proprietary)
AHCC
andrographolide
astragaloside
Aureobasidium pullulans
astragalin
black seed
Bifidobacterium
Baikal Skullcap
Bifidobacterium adolescentis
Boswellic Acid
Boswellia
bacteria
Bifidobacteria
bee venom
cortisol
Curcuminoid
C-phycocyanin
Clostridium butyricum
cytokines
cannabigerol
dialyzable leukocyte extract
Dihomo-gamma-linolenic acid
fucoidan
fumaric acid
fatty acids
fungus
Globulins
Glycosphingolipids
Glutathione
galactooligosaccharides
Glycyrrhizin
Immunoglobulin G
Lactobacillus johnsonii
Mushroom
Oligosaccharides
Oldenlandia diffusa
polysaccharides
Pokeweed
Peptides
Selenocysteine
Stellaria dichotoma
Sulforaphane
Thymoquinone
Triterpenes
Tylophorine
Withanolides
Other health conditions supported by Vitamin D2
Autoimmune DisordersCancer (prevention)
Depression
Diabetes
Multiple Sclerosis
Osteoporosis
Psoriasis
Tuberculosis