Evidence supporting the use of: Vitamin C
For the health condition: Alzheimer's Disease
Synopsis
Source of validity: Scientific
Rating (out of 5): 2
Vitamin C (ascorbic acid) has been studied for its potential role in supporting brain health and possibly slowing the progression of Alzheimer's Disease (AD). The rationale for its use is primarily based on its well-known antioxidant properties. In Alzheimer's Disease, oxidative stress is believed to contribute to neuronal damage and cognitive decline. Vitamin C, being a potent antioxidant, can neutralize free radicals and reduce oxidative stress, which has led to the hypothesis that it might protect against neurodegeneration.
Some observational studies have shown that individuals with higher dietary intake or plasma levels of vitamin C have a lower risk of developing dementia, including AD. However, these studies do not prove causation. Randomized controlled trials (RCTs) evaluating vitamin C supplementation in AD patients are limited and have yielded inconclusive results. Most have not shown significant improvements in cognitive outcomes with vitamin C supplementation alone.
Vitamin C is often included in combination antioxidant regimens (with vitamin E and other micronutrients) in research, making it difficult to isolate its specific effects. Current scientific consensus is that while vitamin C is important for overall neurological health, there is insufficient evidence to recommend high-dose supplementation specifically for the treatment or prevention of Alzheimer's Disease. Thus, the use of vitamin C for this purpose is supported by a plausible scientific rationale and some weak observational data, but robust clinical validation is lacking.
Other ingredients used for Alzheimer's Disease
2-(carbamimidoyl-methyl-amino) ethoxyphosphonic acid7,14-Hydroxy-Docosapentaenoic Acid
7,8-Dihydroxyflavone
Acacetin
Acai berry
Acetyl L-carnitine
Acetylcholine
Agmatine
Akkermansia muciniphila
Algae
algal oil
alpha-linolenic acid (ALA)
alpha-lipoic acid
amentoflavone
amino acids
AMP-activated protein kinase (AMPK)
ampelopsin
aniracetam
anserine
anthocyanins
apigenin
apocynin
Aronia melanocarpa
ashwagandha
astaxanthin
astragaloside
avocado
Bacopa
Bacopin
bacoside
baicalein
baicalin
Basidiomycota
benfotiamine
berberine
beta caryophyllene
beta-hydroxybutyrate
Bifidobacteria
Bifidobacterium longum
bilobalide
black garlic
black seed
black tea
blueberry
brahmi
broccoli
butylphthalide
butyrate triglyceride
butyric acid
C-phycocyanin
caffeic Acid
caffeine
Camellia sinensis
cannabigerol
Cannabis sativa oil
caprylic acid
carnosic acid
Carnosine
caryophyllene
catalpol
catechins
centrophenoxine
Chinese Ligustrum berry
Chinese salvia root
chokeberry
choline
Cinnamomum
cinnamon
cistanche
citicoline
cocoa
coenzyme Q10 (CoQ10)
Convolvulus prostratus
creatine
crocetin
crocin
Curcuma
curcumen
curcumin
Curcuminoid
cyanidin
cyclodextrin
cytidine
d-alpha tocopherol
decursin
DHA (docosahexaenoic acid)
dihydrolipoic acid
docosahexaenoic Acid
DPA (docosapentaenoic acid)
Ecklonia
eicosapentaenoic acid
ellagic acid
EPA (eicosapentaenoic acid)
epicatechin
epigallocatechin gallate (EGCG)
ergothioneine
estrogen
fatty acids
ferulic acid
fisetin
fish
fish oil
fish protein
flavanols
flavanones
flavans
flavones
flavonoids
flavonols
flavonones
fo-ti
fungus
galantamine
gallate
gallic acid
gamma tocopherol
ganoderma
garcinol
gastrodia
gastrodin
genistein
ginkgetin
ginkgo biloba
ginkgo flavone glycoside
ginkgoheteroside
ginkgolides
Ginkgoside
ginseng
Ginsenosides
Glucoraphanin
glycerophosphocholine (GPC)
grape
green tea
Gypenoside
hemp
hemp oil
herbal blend (proprietary)
Hericenones
hericium mushroom
hesperetin
hesperidin
Homotaurine
Honokiol
huperzine A
hydroxytyrosol
Hyperoside
icariin
iridoids
isoliquiritigenin
isovitexin
Kaempferol
ketone salts
l-carnitine
L-carnosine
L-serine
L-theanine
Lentinula edodes mycelia
lingzhi
lion's mane
lipids
lutein
luteolin
Lycium
lycopene
magnesium
magnolol
malvidin
mangiferin
Marine fat
Marine lipid
Maslinic acid
Matcha
medium chain triglycerides (MCT)
Melatonin
Methoxylated flavones
Methylcobalamin
Monoterpenes
Monounsaturated fat
Morus
Mulberroside A
Mulberry
Myricetin
Myricitrin
N-acetyl-cysteine (NAC)
NADH
Naringenin
Naringin
Nervonic acid
Niacinamide (vitamin B3)
nicotinamide riboside
Nigella seed
Nobiletin
Norvaline
Oleuropein
olive
omega-3 fatty acids
Osthole
oyster mushroom
paeoniflorin
Pentacyclic triterpenoids
Peptides
phenolic compounds
phosphatidylcholine
phosphatidylserine
phospholipids
Phycocyanin
phytocannabinoids
Phytoestrogens
Piperine
Polydatin
Polygala
polygala root
polymethoxylated flavones
polyphenols
polysaccharides
polyunsaturated fat
pomegranate
pregnenolone
punicalagins
Pycnogenol
pyrroloquinoline disodium salt
pyrroloquinoline quinone
quercetin
reishi mushroom
resveratrol
rhizome
rosemary
rosmarinic acid
royal jelly
S-allylcysteine
saffron
Safranal
sage
Salidroside
Salmon Oil
Salvianolic acid
SAMe (S-adenosyl-L-methionine disulfate p-toluensulfate)
Sarcosine
Schisandrins
Schizochytrium
Schizochytrium Oil
selenium
Selenocysteine
Shankhpushpi
Shilajit
Shogaol
Solanaceae
Soy
soy isoflavones
Stilbenoid
Sulforaphane
sulforaphane glucosinolate
Syringic acid
Tangeretin
Taurine
Taxifolin
terpene lactones
Terpenoids
Theaflavin
Tinospora cordifolia
tocotrienols
Trans-pterostilbene
Trehalose
Tremella
tributyrin
Triterpenes
Tumerone
turmeric
Turmerones
ubiquinol
Uncaria
Uridine
Urolithin A
Ursolic Acid
Vinpocetine
vitamin B
vitamin B12
vitamin C
vitamin D
vitamin D3
vitamin E
Walnut
Withanolides
Wogonin
Xanthohumol
Xanthophyll
Xylaria nigripes
β-nicotinamide mononucleotide (NMN)
Other health conditions supported by vitamin C
Acquired Immune Deficiency SyndromeAddictions (general remedies for)
Addison's Disease
Age Spots
Aging (prevention)
Alcoholism
Allergies (food)
Allergies (respiratory)
Anal Fistula or Fissure
Anemia
Antibiotics (alternatives to)
Antibiotics (side effects of)
Arteriosclerosis
Asthma
Athletic and Exercise Aids
Autism
Autoimmune Disorders
Bites and Stings
Bladder Infection
Bleeding (external)
Bleeding (internal)
Blood Poisoning
Boils
Bronchitis
Bruises (healing)
Bruises (prevention)
Burns and Scalds
Capillary Weakness
Cartilage Damage
Cataracts
Cervical Dysplasia
Chemical Poisoning
Chemotherapy (reducing side effects)
Chicken Pox
Cholesterol (high)
Chronic Obstructive Pulmonary Disorder
Cold Sores
Colds (antiviral)
Colds (decongestant)
Colds (general)
Colds (prevention)
Colds (with fever)
Colon (atonic)
Congestion
Congestion (bronchial)
Congestion (lungs)
Congestion (sinus)
Conjunctivitis
Contagious Diseases
Convalescence
Copper Toxicity
Cough (dry)
Cough (general)
Cuts
Cystic Breast Disease
Cystic Fibrosis
Debility
Dementia
Denture Sores
Depression
Diabetes
Diabetic Retinopathy
Environmental Pollution
Epstein Barr Virus
Eye Problems
Eyesight (poor)
Fatigue
Fatty Liver Disease
Free Radical Damage
Gall Stones
Gastritis
Gingivitis
Glaucoma
Gonorrhea
Gout
Hair (loss or thinning)
Hair Care (general)
Heart (weakness)
Heavy Metal Poisoning
Hemorrhoids
Hepatitis
Herpes
Hot Flashes
Hypertension
Infection
Infection (bacterial)
Infection (viral)
Infertility
Inflammation
Inflammatory Bowel Disorders
Influenza
Injuries
Knees (weak)
Laryngitis
Lead Poisoning
Lesions
Leucorrhea
Leukemia
Ligaments (torn or injured)
Liver Detoxification
Lyme Disease
Macular Degeneration
Mastitis
Measles
Memory and Brain Function
Menorrhagia
Menstrual Irregularity
Menstruation (scant)
Metabolic Syndrome
Mononucleosis
Mumps
Nose Bleeds
Oral Surgery
Osteoporosis
Pancreatitis
PMS (general)
PMS Type C
PMS Type H
Pneumonia
Post Partum Weakness
Pregnancy (herbs and supplements for)
Progesterone (low)
Prolapsed Uterus
Prostatitis
Radiation Sickness
Rashes and Hives
Restless Leg Syndrome
Rheumatoid Arthritis
Rhinitis
Rhinitis, Allergic
Rosacea
Scars / Scar Tissue
Schizophrenia
Scratches and Abrasions
Scurvy
Shingles
Shock
Sinus Infection
Skin (infections)
Skin Care (general)
Sore Throat
Spider Veins
Spinal Disks
Sprains
Strep Throat
Stretch Marks
Sunburn
Surgery (healing from)
Surgery (preparation for)
Teeth (loose)
Tendonitis
Thrush
Tickle in Throat
Tonsillitis
Tooth Extraction
Toxemia
Triglycerides (high)
Tuberculosis
Ulcerations (external)
Ulcers
Uric Acid Retention
Urinary Tract Infections
Vaginitis
Varicose Veins
Warts
Wounds and Sores
Wrinkles
Adrenal Fatigue
Abrasions
Acne
Abscesses
Bell's Palsy
Cancer Treatment (reducing side effects)
Carbuncles
Alzheimer's Disease
Anxiety
Arthritis
Cancer (natural therapy for)
Cancer (prevention)
Canker Sores
Cardiovascular Disease
Products containing vitamin C
Nature's Sunshine Love and Peas (Sugar Free Original Formula)
Nature's Sunshine Adrenal Support
Nature's Sunshine Bowel Detox
Nature's Sunshine Children's Elderberry Immune
Nature's Sunshine Children's MultiVitamin & Mineral
Nature's Sunshine Cortisol Formula (Nature's Cortisol Formula)
Nature's Sunshine Defense Maintenance
Nature's Sunshine Detox Basics
Nature's Sunshine Dieter's Cleanse
Nature's Sunshine Glandular System
Nature's Sunshine Grapine With Protectors (SynerPro)
Nature's Sunshine Hepatic System
Nature's Sunshine Iron (Chelated)
Nature's Sunshine Love and Peas (Sugar Free) NEW!
Nature's Sunshine Love and Peas
Nature's Sunshine Marine Collagen
Nature's Sunshine Marine Glo Collagen
Nature's Sunshine Master Gland Formula®
Nature's Sunshine Mega-Chel
Nature's Sunshine Milk Thistle Combination
Nature's Sunshine MultiVitamin & Mineral (SynerPro)
Nature's Sunshine MultiVitamin & Mineral (Time Release)
Nature's Sunshine Natural Changes
Nature's Sunshine Nature's Prenatal
Nature's Sunshine Nature's Harvest
Nature's Sunshine Nervous System (30 Day Program)
Nature's Sunshine Nutri-Calm
Nature's Sunshine Nutri-Calm
Nature's Sunshine Perfect Eyes
Nature's Sunshine Power Beets Pouch
Nature's Sunshine Power Beets To-Go Packs
Nature's Sunshine Power Greens Pouch
Nature's Sunshine Power Greens To-Go
Nature's Sunshine Skeletal Strength
Nature's Sunshine Solstic Twenty-Four
Nature's Sunshine Solstic Immune
Nature's Sunshine Solstic Revive
Nature's Sunshine Structural System (30 Day Program)
Nature's Sunshine Super Supplemental
Nature's Sunshine Super Supplemental (Without Iron)
Nature's Sunshine Super Trio
Nature's Sunshine Vari-Gone
Nature's Sunshine Vitamin C (1000 mg, Time Release)
Nature's Sunshine Vitamin C (1000 mg, Time Release)
Nature's Sunshine Vitamin C Ascorbates
Nature's Sunshine Chewable Vitamin C
Nature's Sunshine Citrus Bioflavonoids (Vitamin C)
Nature's Sunshine Zinc Lozenge
