Evidence supporting the use of: Vitamin D
For the health condition: Cystic Fibrosis

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Synopsis

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

Vitamin D supplementation in cystic fibrosis (CF) is strongly justified by scientific evidence. Individuals with CF are at high risk for vitamin D deficiency, primarily due to pancreatic insufficiency and fat malabsorption, which impairs the absorption of fat-soluble vitamins, including vitamin D. Vitamin D plays a critical role in calcium and bone metabolism, and deficiency can lead to osteopenia, osteoporosis, and increased fracture risk—common complications in CF patients. Multiple clinical guidelines, including those from the Cystic Fibrosis Foundation, recommend routine monitoring and supplementation of vitamin D in CF patients to maintain adequate serum levels and support bone health.

Beyond bone health, emerging evidence suggests that vitamin D may also have immunomodulatory effects, potentially reducing pulmonary exacerbations and supporting respiratory health in CF, though the data for these outcomes are less robust compared to its role in bone metabolism. Randomized controlled trials and observational studies consistently show that vitamin D supplementation improves serum 25(OH)D levels and markers of bone health in CF. Thus, the use of vitamin D in cystic fibrosis is evidence-based and widely endorsed in clinical practice.

More about vitamin D
More about Cystic Fibrosis

Other ingredients used for Cystic Fibrosis

green tea
mannitol
quercetin
resveratrol
vitamin C
vitamin D
zinc

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