Evidence supporting the use of: Vitamin D
For the health condition: Cancer Treatment (reducing side effects)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Vitamin D has been investigated as a supportive agent in cancer treatment, particularly for its potential to reduce treatment side effects and improve patient outcomes. Scientific interest in vitamin D stems from its role in immune modulation, cell differentiation, and inflammation reduction. Epidemiological studies have observed that low vitamin D levels are associated with higher cancer incidence and worse prognosis in several cancer types, including breast, colorectal, and prostate cancers. Some clinical trials suggest that adequate vitamin D status may help reduce cancer-related fatigue, improve quality of life, and possibly enhance the efficacy of certain treatments, such as chemotherapy or radiation therapy, by supporting immune function and mitigating inflammatory responses. However, robust evidence from large-scale, randomized controlled trials (RCTs) is limited, and results have been mixed regarding vitamin D supplementation’s direct impact on reducing cancer treatment side effects. Current guidelines generally recommend maintaining adequate vitamin D levels in cancer patients, especially those at risk for deficiency due to limited sun exposure or treatment-related bone loss (e.g., with corticosteroids or aromatase inhibitors). In summary, while there is scientific rationale and some preliminary evidence supporting the use of vitamin D in cancer care, conclusive proof for its effectiveness in reducing treatment side effects is lacking, and more high-quality studies are needed.

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Other ingredients used for Cancer Treatment (reducing side effects)

acetyl l-carnitine
akkermansia muciniphila
algal oil
aloe vera
alpha-ketoglutarate (AKG)
amino acids
ashwagandha
astaxanthin
astragalus
bacillus coagulans
bacillus subtilis
basil
beet
berberine
berry flavor
beta caryophyllene
Beta-Glucan
bifidobacterium bifidum
bifidobacterium breve
bifidobacterium lactis
bifidobacterium longum
black cumin
sesame
blackberry
blueberry
Indian frankincense
branched-chain amino acids
broccoli
bromelain
bupleurum falcatum
burdock
butyrate triglyceride
cannabis sativa oil
capsaicinoids
cat's claw
catalase
caterpillar mushroom
chaga mushroom
chamomile
Chinese salvia root
chlorella
chlorophyll
chokeberry
citrus oil
citrus pectin
coating
coenzyme Q10 (CoQ10)
colostrum
cordyceps
turmeric
curcumin
cuspidatum root
cyclodextrin
d-alpha tocopherol
d-glucarate
DHA (docosahexaeonic acid)
diallyl disulfide (DADS)
diallyl trisulfide (DATS)
DIM (diindolylmethane)
dong quai root
DPA (docosapentaenoic acid)
eleuthero
EPA (eicosapentaenoic acid)
epigallocatechin gallate (EGCG)
fiber blend (proprietary)
fisetin
fish oil
flavonols
flaxseed
folate
garlic bulb
genistein
ginger
ginseng
green tea
hemp oil
hesperetin
hesperidin
HMR lignan
Indian tinospora
indole-3-carbinol
iron
knotweed
jujube
kale
l-carnitine
l-cysteine
l-glutamine
l-glutathione
lactobacillus acidophilus
lactobacillus brevis
lactobacillus casei
lactobacillus fermentum
lactobacillus gasseri
lactiplantibacillus plantarum
lactobacillus reuteri
lactobacillus salivarius
lactoferrin
lentinula edodes mycelia
lion's mane
lycopene
magnesium
maitake mushroom
mangosteen
marine lipid
medium chain triglycerides (MCT)
melatonin
milk
milk thistle
mixed carotenoids
moringa
n-acetyl-cysteine (NAC)
nettle
niacinamide (vitamin B3)
oleanolic acid
omega-3 fatty acids
ornithine alpha-ketoglutarate
oyster mushroom
pectin
perilla
phenolic acids
phospholipids
phytocannabinoids
phytosterols
plum fruit
pollen
pomegranate
prebiotic blend (proprietary)
protease
protein
pumpkin
raspberry
reishi mushroom
resveratrol
rhizome
rosemary
rutin
scrophularia root
selenium
shiitake mushroom
specialized pro-resolving mediators (SPMs)
sphaeranthus indicus
spirulina
sulforaphane glucosinolate
tocotrienols
tributyrin
triphala
turkey tail mushroom
ubiquinol
Urolithin A
vegetable and fruit blend (proprietary)
vitamin A
vitamin B
vitamin B12
vitamin C
vitamin D
vitamin D3
vitamin E
seaweed
water
wheat grass
whey protein
zinc
sarsaparilla
yellow root
suma
jiaogulan
typhonium
atractylodes
papaya
neem tree
smilax
tinospora cordifolia
rubia cordifolia
peony
lingzhi
lingusticum wallichii
boxthorne
buckthorn
pau d'arco
lemongrass
myrrh
ferulic acid
chrysanthemum
siler root
cistanche
dioscorea
dodder
ganoderma
morinda
trichosanthes
royal jelly
polyphenols
purslane
coix
polyporus
aster root
noni
biota seed
nopal
goji berry
paw paw
herbal blend (proprietary)
algae
cocoa
AMP-activated protein kinase (AMPK)
enzymes blend (proprietary)
soy isoflavones
ashitaba
soursop
3-(4-hydroxy-3-methoxyphenyl)prop-2-enoic acid
4-Hydroxyandrostenedione
5-methyltetrahydrofolate glucosamine
Agarikon Mushroom
Alpha Glucans
Angelica
Apigenin
Antrodia camphorata
Auricularia
Anamu
Artesunate
AHCC
Andrographolide
Alpha-Lipoic Acid
Astragaloside
anthocyanidins
Andrographis
Ampelopsin
Acemannan
Algal protein
Arabinoxylan
Arisaema
Alantolactone
Anti-aromatase
Artepillin C
Atractylone
Bee Propolis
Black Seed
Bifidobacterium
Baikal Skullcap
Bifidobacterium adolescentis
Baphicacanthus cusia
Bidens pilosa
Betulinic acid
Brassica
Boswellic Acid
Beef liver
Baccosides
Baicalein
Beta-lapachone
Bee hive
Bael
Basidiomycota
berry
Boswellia
Butein
Bifidobacterium animalis
Bee products
Black Nightshade
Bacteria
Bifidobacteria
BCAA
Baicalin
Boerhavia diffusa
Borneol
Caffeic Acid
Camellia sinensis
Caryophyllene
Calendula
Chinese Mountain Ant
Condurango
Chlorophyllin
Coriolus mushroom
Capillary Artemisia
Chinese Fleeceflower
Curcuminoid
Citrus
Chinese Pond Turtle
Cancerina
Curcumen
Centella asiatica
Curcuma
Carnosol
C-Phycocyanin
Chirata
Crinum latifolium
Cannabidiol
Clostridium butyricum
Corilagin
Crocetin
Cytokines
Costus
Celosia
Carnosic acid
Cannabigerol
Docosahexaenoic Acid
Diallyl sulfide
DNA
Decursin
Daidzein
Diosgenin
Didymin
Date
Dithiolthiones
Diosmetin
Eupolyphaga sinensis
Eclipta
Eicosapentaenoic Acid
Essential Oil Blend
Enokitake
Folic Acid
Fiber
Flavonoids
Flavonones
Flammulina velutipes
fibroblast growth factor
Garlic
Isoflavones
Mallow
Milk Protein
Mistletoe
Periwinkle
Soy Protein
Zucchini

Other health conditions supported by vitamin D

Acne
Allergies (food)
Allergies (respiratory)
Alzheimer's Disease
Amenorrhea
Anemia
Anorexia
Apathy
Arrhythmia
Arteriosclerosis
Arthritis
Asthma
Autism
Autoimmune Disorders
Backache
Birth Defects (prevention)
Body Building
Broken Bones
Calcium Deficiency
Cancer (natural therapy for)
Cancer (prevention)
Cancer Treatment (reducing side effects)
Cardiovascular Disease
Celiac Disease
Chronic Obstructive Pulmonary Disorder
Colds (antiviral)
Colds (general)
Colds (prevention)
Colds (with fever)
Concentration (poor)
Concussions
Confusion
Congestive Heart Failure
Contagious Diseases
Convalescence
Convulsions
Cramps (menstrual)
Cramps and Spasms
Crohn's Disease
Cystic Breast Disease
Cystic Fibrosis
Dandruff
Debility
Dementia
Depression
Dermatitis
Diabetes
Diabetic Retinopathy
Erectile Dysfunction
Estrogen (low)
Fatigue
Fibroids (uterine)
Fibromyalgia Syndrome
Fibrosis
Grave's Disease
Grief and Sadness
Hair (loss or thinning)
Hair Care (general)
Hashimoto's Disease
Headache (cluster)
Heart (weakness)
Hypertension
Hypothyroid
Infection
Infection (bacterial)
Infection (viral)
Infertility
Inflammation
Inflammatory Bowel Disorders
Influenza
Injuries
Irritable Bowel Syndrome
Itching
Knees (weak)
Leaky Gut Syndrome
Leprosy
Lesions
Leukemia
Lou Gehrig's Disease
Lupus
Lymphoma
Melanoma
Memory and Brain Function
Menopause
Menstrual Irregularity
Mental Illness
Metabolic Syndrome
Migraine
Miscarriage (prevention)
Mood Swings
Multiple Sclerosis
Muscle Tone (lack of)
Muscular Dystrophy
Myasthenia Gravis
Nephritis
Nerve Damage
Nervous Exhaustion
Numbness
Nursing
Obsessive Compulsive Disorder
Oral Surgery
Osteoporosis
Pain (general remedies for)
Pancreatitis
Paralysis
Parkinson's Disease
Peripheral Neuropathy
PMS (general)
PMS Type D
PMS Type H
PMS Type P
PMS Type S
Pneumonia
Polyps
Post Partum Depression
Post Partum Weakness
Pregnancy (herbs and supplements for)
Progesterone (low)
Prostatitis
Psoriasis
Rheumatoid Arthritis
Schizophrenia
Sciatica
Seasonal Affective Disorder
Senility
Tuberculosis