Evidence supporting the use of: Vitamin C
For the health condition: Anemia
Synopsis
Source of validity: Scientific
Rating (out of 5): 4
Vitamin C (ascorbic acid) is scientifically validated as a supportive agent in the management of certain types of anemia, particularly iron deficiency anemia. The primary mechanism is its ability to enhance the absorption of non-heme iron (the form of iron found in plant-based foods) in the gastrointestinal tract. Vitamin C reduces ferric iron (Fe3+) to ferrous iron (Fe2+), the latter of which is more readily absorbed by intestinal mucosal cells. Numerous clinical studies have demonstrated that consuming vitamin C with iron-rich foods or supplements can significantly increase serum ferritin and hemoglobin levels in individuals with iron deficiency anemia.
Guidelines from organizations such as the World Health Organization and the Centers for Disease Control and Prevention recommend co-administration of vitamin C with oral iron therapy to maximize iron absorption. A 2019 randomized controlled trial published in The Lancet Haematology confirmed that vitamin C supplementation improved the efficacy of oral iron in anemic patients, though some recent studies suggest that very high doses may not offer additional benefit over dietary amounts.
Historically, vitamin C has not been used as a primary treatment for anemia, but its role as an iron absorption enhancer is well established in modern clinical practice. It is not effective for anemia unrelated to iron deficiency (such as anemia of chronic disease or hemolytic anemia). In summary, vitamin C is scientifically justified as adjunctive therapy for iron deficiency anemia, with moderate to strong evidence supporting its use.
Other ingredients used for Anemia
5-methyltetrahydrofolate glucosamineAbalone
Abrus
Achyranthes
Adzuki bean
Aerva lanata
Agrimonia pilosa
Ajuga
Alchornea
Alfalfa
Algae
Algal protein
Allium tuberosum
amaranth
amino acids
anchovies
Angelica
animal protein
animal Tissue
apple
Ardisia
ashwagandha
aster root
Asteraceae
astragaloside
astragalus
Auricularia
Autumn Olive
Baccharoides anthelmintica
bael
banana
baobab
bean
bee pollen
bee products
beef
Beef liver
Beef Protein
beet
bermuda grass
berry
Bidens pilosa
biota seed
bird\'s nest
black cumin
black gram
black nightshade
blackberry
blackboard tree
Blepharis
Blue-Green Alage
Boerhavia diffusa
bok choy
Bombax
bone marrow
Borassus aethiopum
borassus palm
bovine
bovine liver
bovine protein
bovine spleen
breadnut
broad bean
broccoli
Brussel sprouts
Buckwheat
buffalo
Butea monosperma
butternut
C-phycocyanin
Caesalpinia crista
canihua
capillary artemisia
cashew
cassava
caterpillar mushroom
catjang cowpea
Celosia
cereal grass
chard
chestnut
chickpea protein
chlorella
Chlorophytum
cistanche
Citrus
coconut milk
Codonopsis
collard
cordyceps
cowpea
cumin
Curcuma
currant
Cyathula
Cynomorium
cytokines
date
deer root
dehydroascorbic acid
dodder
dog rose
Dolichos
dong quai
dong quai root
dragon fruit
dulse
dulse leaf
Eclipta
egg
Embelia
empresstree
Eupolyphaga sinensis
European five-finger grass
Fagopyrum
ferric ammonium citrate
ferric citrate
ferric orthophosphate
ferritin
fig
fish
fish protein
fo-ti
folate
folic acid
folinic acid
Foxtail millet
fructooligosaccharides (FOS)
fruit
fu ling
fulvic acid
ganoderma
garbanzo bean
garden cress
ginger
ginseng
Ginsenosides
goji berry
gooseberry
greens blend (proprietary)
Helicteres isora
herbal blend (proprietary)
hibiscus
hijiki
Histidine
horse gram
Huang hua
hyacinth bean
Hygrophila
Ilex
Indian coraltree
Indian tinospora
intrinsic factor
iron
jujube
jungli-bean
kale
kidney beans
kiwi
Kokilaksha
l-5-methyltetrahydrofolate glucosamine salt (5-MTHF)
Labisia pumila
Lactoferrin
Land Cress
Laver
Legume protein
lemon
Lentil
Lentinula edodes mycelia
Leptadenia
licorice root
lingzhi
liquid liver fractions
little ironweed
longan
Loranthus
lotus seed
lucuma
Lycium
maca
Marine protein
Methylcobalamin
Microcos
Millet
millet seed
Mineral ascorbate
Molasses
Momordica
Morinda
Moringa
Morus
Mugwort
Mulberry
Mung bean
Nettle
Nigella seed
Nori
nut grass
oat
Onosma bracteatum
orange
oyster mushroom
Palmyra
parsley
paw paw
peony
Persimmon
Phaeophyceae
Phosphate ascorbate
Phycocyanin
Phyllanthus
Physalis angulata
Plankton
plantain
plum fruit
pollen
Polygonatum
pomegranate
pomelo
Portulaca
protein
Prunus
pumpkin
punarnava
purslane
pyridoxal-5-phosphate (P-5-P)
quail egg
quinoa
Rehmannia
rehmannia glutinosa
reishi mushroom
rhizome
riboflavin (vitamin B2)
root tuber
Rosa roxburghii
royal jelly
Rubia cordifolia
Rubia yunnanensis
Rubiaceae
Rubus
Rumex acetosa
seaweed
sesame
Sesbania
shen-chu
shepherd's purse
shiitake mushroom
Shilajit
Sicklepod
Solanum anguivi
soybean
spinach
spirulina
Stellaria dichotoma
Stereospermum
suma
Tamarind
Taraxacum
Taxillus chinensis
Tayuya
Terminalia
Thaumatococcus daniellii
Tinospora cordifolia
trace minerals
Trichosanthes
Triphala
Tropical jewel hisbiscus
Vegetable Protein
vitamin A
vitamin B
vitamin B12
vitamin B6
vitamin C
vitamin D
vitamin D3
vitamin E
Wakame
Watercress
wheat germ
wheat grass
Wulinshen
Yeast
Yellow Dock
Zinc
Zucchini
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
