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
alfalfaamino acids
anchovies
apple
ashwagandha
astragalus
beet
black cumin
sesame
blackberry
bovine
bovine liver
bovine spleen
broccoli
brussel sprouts
caterpillar mushroom
catjang cowpea
chlorella
coconut milk
collard
cordyceps
dog rose
dong quai root
fish protein
folate
fructooligosaccharides (FOS)
fu ling
ginger
ginseng
gooseberry
greens blend (proprietary)
hibiscus
Indian tinospora
iron
jujube
kale
l-5-methyltetrahydrofolate glucosamine salt (5-MTHF)
lactoferrin
lemon
lentinula edodes mycelia
licorice root
liquid liver fractions
maca
mackerel
moringa
nettle
oat
orange
oyster mushroom
parsley
plantain
plum fruit
pollen
pomegranate
pomelo
protein
pumpkin
pyridoxal-5-phosphate (P-5-P)
quail egg
quinoa
redcurrant
rehmannia glutinosa
reishi mushroom
rhizome
riboflavin (vitamin B2)
sardines
shiitake mushroom
soybean
spinach
spirulina
tomato
triphala
vitamin A
vitamin B
vitamin B12
vitamin B6
vitamin C
vitamin D
vitamin D3
vitamin E
seaweed
watercress
wheat grass
mulberry
yeast
zinc
suma
tangerine
shen-chu
mugwort
nut grass
punarnava
tinospora cordifolia
blackboard tree
caesalpinia crista
rubia cordifolia
bee pollen
peony
lingzhi
morus
root tuber
cistanche
dodder
ganoderma
hyacinth bean
lotus seed
morinda
trichosanthes
dulse leaf
royal jelly
trace minerals
purslane
fulvic acid
aster root
shepherd's purse
wheat germ
biota seed
goji berry
paw paw
amaranth
millet seed
herbal blend (proprietary)
algae
kidney beans
chickpea protein
17beta-[{1-Ketoethyl}-androsta-1, 4-diene-3-one,17a-ol]
17a-di methyl-bol
5-methyltetrahydrofolate glucosamine
Animal Tissue
Ardisia
Angelica
Achyranthes
Auricularia
Abrus
Alchornea
Autumn Olive
Ajuga
Aerva lanata
Astragaloside
Adzuki bean
Agrimonia pilosa
Asteracea
Algal protein
Abalone
Allium tuberosum
Animal protein
Bermuda Grass
Bidens pilosa
Breadnut
Blepharis
Beef Protein
Butea monosperma
Beef
Beef liver
Buffalo
Bok Choy
Bone Marrow
Bovine Protein
Bael
Bean
Butternut
berry
Black Gram
Baccharoides anthelmintica
Broad Bean
Bee products
Black Nightshade
Bombax
Borassus Palm
Borassus aethiopum
Blue-Green Alage
banana
Baobab
Buckwheat
Boerhavia diffusa
Bird's nest
Cumin
Cowpea
Codonopsis
Cynomorium
Capillary Artemisia
Cyathula
Cashew
Citrus
Cereal grass
Chlorophytum
Chard
Chicken
Curcuma
C-Phycocyanin
Canihua
Chestnut
Cytokines
Cassava
Celosia
Currant
Duodenum
Deer Root
Dehydroascorbic acid
Dragon Fruit
Dong Quai
Dolichos
Date
Dulse
Eupolyphaga sinensis
Empresstree
Egg
Eclipta
European-Five Finger Grass
Embelia
Fig
Folic Acid
Little ironweed
Molasses
Metal Salt
Zucchini
Other health conditions supported by vitamin C
AbrasionsAbscesses
Acne
Acquired Immune Deficiency Syndrome
Addictions (general remedies for)
Addison's Disease
Adrenal Fatigue
Age Spots
Aging (prevention)
Alcoholism
Allergies (food)
Allergies (respiratory)
Alzheimer's Disease
Anal Fistula or Fissure
Anemia
Antibiotics (alternatives to)
Antibiotics (side effects of)
Anxiety
Arteriosclerosis
Arthritis
Asthma
Athletic and Exercise Aids
Autism
Autoimmune Disorders
Bell's Palsy
Bites and Stings
Bladder Infection
Bleeding (external)
Bleeding (internal)
Blood Poisoning
Boils
Bronchitis
Bruises (healing)
Bruises (prevention)
Burns and Scalds
Cancer (natural therapy for)
Cancer (prevention)
Cancer Treatment (reducing side effects)
Canker Sores
Capillary Weakness
Carbuncles
Cardiovascular Disease
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
Products containing vitamin C
Pure Encapsulations
Acerola/Flavonoid
Vitabase
Active Man's Formula
Vitabase
Active Woman's Multi
Designs For Health
Adrenal Complex
Designs For Health
Adrenal Complex
Designs For Health
Adrenotone™
Designs For Health
Adrenotone™
Metagenics
AdvaClear
Metagenics
AdvaClear
Thorne
Advanced Nutrients Multivitamin
Pure Encapsulations
Aller-Essentials
Pure Encapsulations
Aller-Essentials
Thorne
Ascorbic Acid
Douglas Laboratories
Ascorbplex ® 1000 Buffered
Pure Encapsulations
Ascorbyl Palmitate
Metagenics
Axis Endo™ Mango
Thorne
Basic Nutrients 2/Day Multivitamin
Thorne
Basic Prenatal Multivitamin
Designs For Health
BioFizz® Immune
Vitabase
Blood Sugar Formula
Metagenics
Bone Builder Active
Pure Encapsulations
Buffered Ascorbic Acid
Pure Encapsulations
Buffered Ascorbic Acid
Pure Encapsulations
Buffered Ascorbic Acid
Thorne
Buffered C Powder
Integrative Therapeutics
Buffered Vitamin C
Douglas Laboratories
C-1000
Douglas Laboratories
C-1000
Douglas Laboratories
C-D-Zinc
Douglas Laboratories
C-Max ®
Thorne
Catalyte
Designs For Health
CatecholaCalm™
Designs For Health
C+BioFizz®
Vitabase
Chewable Vitamin C
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus Berry
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus pH
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus pH Pineapple Banana
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus Pineapple Banana
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus Vanilla
Metagenics
Clear Change 10-Day Detox Program with UltraClear RENEW Berry
Metagenics
Clear Change 10-Day Detox Program with UltraClear RENEW Chai
Metagenics
Clear Change 10-Day Detox Program with UltraClear RENEW Vanilla
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus Berry
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus pH Pineapple Banana
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus pH Vanilla
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus Pineapple Banana
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus Vanilla
Metagenics
Clear Change 28-Day Detox Program with UltraClear RENEW Berry
Metagenics
Clear Change 28-Day Detox Program with UltraClear RENEW Chai
Metagenics
Clear Change 28-Day Detox Program with UltraClear RENEW Vanilla
Metagenics
Clear Change Daily Essentials
Integrative Therapeutics
Clinical Nutrients HP
Metagenics
Collagenics®
Metagenics
Cortico-B5B6®
Designs For Health
CraveArrest™
Thorne
Crucera-SGS
Pure Encapsulations
Daily Immune
Designs For Health
Detox Antiox™
Integrative Therapeutics
Detoxication Factors
Integrative Therapeutics
Detoxication Factors
Designs For Health
Detoxification Support Packets
Designs For Health
DFH Complete Multi™
Designs For Health
DFH Complete Multi™ with Copper
Designs For Health
DFH Complete Multi™ with Copper & Iron
Metagenics
Echinacea Synergy
Integrative Therapeutics
EHB
Pure Encapsulations
Electrolyte/Energy Formula
Designs For Health
Electrolyte Synergy™
Designs For Health
ElectroPure Hydration™
Metagenics
Endefen® Powder
Designs For Health
EndoTrim™
Metagenics
Endura® Lemonade
Pure Encapsulations
Energize Plus™ Pure Pack
Pure Encapsulations
Essential-C & Flavonoids
Pure Encapsulations
Essential-C & Flavonoids
Pure Encapsulations
EyeProtect Basics
Pure Encapsulations
EyeProtect Basics without Zinc
Metagenics
Fem EstroPlex®
Metagenics
Fem Prenatal®
Thorne
Ferrasorb
Designs For Health
GastroMend-HP™
Designs For Health
GastroMend-HP™
Metagenics
GI Sustain™ Powder
Pure Encapsulations
GlucoFunction
Pure Encapsulations
GlucoFunction
Douglas Laboratories
Glucosamine + MSM Forte ™
Douglas Laboratories
Glucosamine Plus ™
Metagenics
Glucosamine Sulfate
Metagenics
Glucosamine Sulfate 750™
Metagenics
GlutaClear®
Metagenics
Glutagenics
Metagenics
Glycogenics
Designs For Health
H-S-N Radiance™
Douglas Laboratories
Hair, Skin and Nails Plus
Vitabase
Hair, Skin & Nails Formula
Pure Encapsulations
Hair/Skin/Nails Ultra
Metagenics
Herbulk® Powder Natural Orange
Pure Encapsulations
Hist Reset
Designs For Health
HistaEze™
Douglas Laboratories
Hydrolyzed Collagen+
Metagenics
ImmuCore
Metagenics
Immune Active
Metagenics
Immune Defense Pack
Pure Encapsulations
Iron-C
Integrative Therapeutics
Iron Complex
Integrative Therapeutics
K-PAX MitoNutrients
Metagenics
Ketogenic Shake Chocolate
Metagenics
Ketogenic Shake Vanilla
Klean Athlete
Klean Antioxidant ™
Klean Athlete
Klean-C™
Klean Athlete
Klean Collagen+C™
Klean Athlete
Klean Hydration™
Klean Athlete
Klean Hydration™
Klean Athlete
Klean Multivitamin ™
Thorne
L-Arginine Plus Perfusia Plus
Designs For Health
L-Tyrosine
Vitabase
Life's Essentials Plus
Pure Encapsulations
Ligament Restore
Pure Encapsulations
Ligament Restore
Metagenics
Lipo-Gen™
Metagenics
Lipo-Gen
Pure Encapsulations
Liposomal Vitamin C
Designs For Health
Liposomal Vitamin C
Vitabase
Liquid Collagen Toasted Cinnamon
Douglas Laboratories
Liquid Multivitamin
Pure Encapsulations
LiquiNutrients
Pure Encapsulations
Macular Support Formula
Pure Encapsulations
Macular Support Formula
Integrative Therapeutics
Magtein L-Threonate Plus
Douglas Laboratories
Malic Acid + Magnesium
Thorne
MediClear Plus
Thorne
Men's Multi 50+
Designs For Health
Metabolic Synergy™
Designs For Health
Metabolic Synergy™
Metagenics
MetaGlycemX™
Metagenics
MetaGlycemX
Metagenics
MetaKids Multi Soft Chew Grape
Metagenics
MetaKids Nutrition Powder Chocolate
Metagenics
MetaKids Nutrition Powder Vanilla
Metagenics
MetaKids Vitamin D3 Liquid
Pure Encapsulations
Mitochondria-ATP
Metagenics
MitoVive
Designs For Health
Monolaurin-Avail™
Pure Encapsulations
Multi t/d
Pure Encapsulations
Multi t/d
Thorne
Multi-Vitamin Elite NSF
Thorne
Multi-Vitamin Elite NSF
Metagenics
Multigenics®
Metagenics
Multigenics Chewable Orange
Metagenics
Multigenics Intensive Care
Metagenics
Multigenics Intensive Care without Iron
Metagenics
Multigenics without Iron
Integrative Therapeutics
Multiplex-1 No-Iron
Douglas Laboratories
Natural C
Pure Encapsulations
NeuroMood Pure Pack
Pure Encapsulations
Nitric Oxide Support
Designs For Health
NOx Synergy™
Pure Encapsulations
Nutrient 950®
Pure Encapsulations
Nutrient 950®
Pure Encapsulations
Nutrient 950®
Pure Encapsulations
Nutrient 950® A without Copper & Iron
Pure Encapsulations
Nutrient 950® with NAC
Pure Encapsulations
Nutrient 950® with Vitamin K
Pure Encapsulations
Nutrient 950® without Copper, Iron & Iodine
Pure Encapsulations
Nutrient 950® without Iron
Pure Encapsulations
Nutrient 950® without Iron
Integrative Therapeutics
Nutrivitamin No-Iron
Pure Encapsulations
O.N.E.™ Multivitamin
Pure Encapsulations
O.N.E.™ Multivitamin
Pure Encapsulations
O.N.E.™ Multivitamin
Designs For Health
OcuForce™
Pure Encapsulations
OptiFerin-C
Designs For Health
OsteoForce™
Designs For Health
OsteoForce™
Designs For Health
OsteoForce™ Supreme
Integrative Therapeutics
Osteoprime Forte
Integrative Therapeutics
Osteoprime Ultra
Designs For Health
PaleoCleanse Plus™
Designs For Health
PaleoCleanse Plus™
Designs For Health
PaleoCleanse Plus™ Detox Program
Designs For Health
PaleoCleanse Plus™Chocolate Detox Kit
Designs For Health
PaleoMeal®
Designs For Health
PaleoMeal®
Integrative Therapeutics
Physicians Elemental Diet Dextrose Free
Integrative Therapeutics
Physician's Elemental Diet
Integrative Therapeutics
Physician's Elemental Diet
Integrative Therapeutics
Physicians Elemental Diet Kit
Metagenics
PhytoGanix® Tropical Fruit
Metagenics
PhytoMulti™ Multivitamin
Metagenics
PhytoMulti With Iron
Metagenics
PhytoMulti Without Iron
Metagenics
PhytoMultivitamin
Designs For Health
Plant Protein Cleanse
Designs For Health
Plant Protein Cleanse Plus™ 570g
Designs For Health
Plant Protein Meal
Designs For Health
Plant Protein Meal Plus
Designs For Health
Plant Protein Meal
Metagenics
PlusOne® Daily Prenatal Packs
Pure Encapsulations
Polyphenol Nutrients
Pure Encapsulations
Polyphenol Nutrients
Douglas Laboratories
Prenatal
Pure Encapsulations
PreNatal Nutrients
Pure Encapsulations
PreNatal Nutrients
Designs For Health
Prenatal Pro™
Designs For Health
Primal Multi™
Integrative Therapeutics
ProThrivers Multivitamin
Pure Encapsulations
PureDefense
Pure Encapsulations
PureDefense with NAC
Pure Encapsulations
PureDefense with NAC
Pure Encapsulations
PureGenomics® Multivitamin
Pure Encapsulations
PureGenomics® UltraMultivitamin
Pure Encapsulations
PureLean® Protein
Pure Encapsulations
PurePals
Pure Encapsulations
PurePals with Iron
Pure Encapsulations
PureResponse™ Multivitamin
Vitabase
Quercetin Plus
Designs For Health
Quercetin-Ascorbate
Douglas Laboratories
Quercetin-Bromelain Complex
Douglas Laboratories
Selenium Plus
Pure Encapsulations
SeroPlus
Metagenics
Sinuplex®
Designs For Health
Stellar C™
Thorne
Stress Balance Phytisone
Vitabase
Super Antioxidant Formula
Vitabase
Super Fat Burner
Vitabase
Super Stress Formula
Thorne
Thyrocsin
Pure Encapsulations
Thyroid Support Complex
Designs For Health
Twice Daily Essential Packets
Designs For Health
Twice Daily Multi™
Designs For Health
Twice Daily Multi™
Designs For Health
Twice Daily Multi™
Metagenics
Ultra Glucose Control® Chocolate
Metagenics
Ultra Glucose Control Chocolate
Metagenics
Ultra Glucose Control Vanilla
Metagenics
Ultra Glucose Control Vanilla
Metagenics
Ultra Potent-C 1000
Metagenics
Ultra Potent-C 500
Metagenics
Ultra Potent-C Chewable
Metagenics
Ultra Potent-C Powder
Douglas Laboratories
Ultra Preventive
Douglas Laboratories
Ultra Preventive
Douglas Laboratories
Ultra Preventive ® 2 Daily
Douglas Laboratories
Ultra Preventive 50+ -EZ Swallow
Douglas Laboratories
Ultra Preventive ®-EZ Swallow
Douglas Laboratories
ULTRA PREVENTIVE® III W/COPPER
Douglas Laboratories
Ultra Preventive ® Kids Grape Flavor
Douglas Laboratories
Ultra Preventive ® Kids Orange Flavor
Douglas Laboratories
Ultra Preventive One Daily
Douglas Laboratories
Ultra Preventive® X
Douglas Laboratories
Ultra Protein Green
Pure Encapsulations
Ultra Pure Pack
Metagenics
UltraClear Detox Powder
Metagenics
UltraClear Plus® Detox Powder
Metagenics
UltraClear Plus Detox Powder Berry
Metagenics
UltraClear Plus Detox Powder Pineapple/Banana
Metagenics
UltraClear Plus pH Detox Powder Pineapple/Banana
Metagenics
UltraClear Plus pH Detox Powder Vanilla
Metagenics
UltraClear RENEW Detox Powder Berry
Metagenics
UltraClear RENEW Detox Powder Chai
Metagenics
UltraClear RENEW Detox Powder Vanilla
Pure Encapsulations
UltraDetox 10-Day Pure Pack
Metagenics
UltraGI Replenish® Chocolate
Metagenics
UltraGI Replenish Chocolate
Metagenics
UltraGI Replenish Vanilla
Metagenics
UltraGI Replenish Vanilla
Metagenics
UltraInflamX Plus 360°® Chocolate/Orange
Metagenics
UltraInflamX Plus 360° Mango
Metagenics
UltraInflamX Plus 360° Mango
Metagenics
UltraInflamX Plus 360° Orange
Metagenics
UltraInflamX Plus 360° Original Spice
Metagenics
UltraInflamX Plus 360° Pineapple/Banana
Metagenics
UltraInflamX Plus 360° Pineapple/Banana
Metagenics
UltraMeal Advanced Protein® Dutch Chocolate
Metagenics
UltraMeal Advanced Protein French Vanilla
Metagenics
UltraMeal Advanced Protein Plain
Metagenics
UltraMeal Cardio 360°® Pea/Rice Chocolate
Metagenics
UltraMeal Cardio 360° Pea/Rice Vanilla
Metagenics
UltraMeal® Daily Support Dutch Chocolate
Metagenics
UltraMeal Daily Support Mixed Berry
Metagenics
UltraMeal Rice Vanilla
Pure Encapsulations
UltraNutrient®
Pure Encapsulations
UltraNutrient®
Pure Encapsulations
UltraNutrient®
Pure Encapsulations
Uric Acid Formula
Designs For Health
Vessel Forte™
Pure Encapsulations
VisionPro Nutrients
Pure Encapsulations
Vitamin C
Douglas Laboratories
Vitamin C 1000 mg
Vitabase
Vitamin C
Douglas Laboratories
Vitamin C
Designs For Health
Vitamin C Buffered Powder
Thorne
Vitamin C With Flavonoids
Integrative Therapeutics
Vitamin C with Quercetin
Metagenics
Vitamin D3 Liquid
Designs For Health
Weight Loss Support Packets
Metagenics
Wellness Essentials Active Daily Packs
Metagenics
Wellness Essentials Brain Health Daily Packs
Metagenics
Wellness Essentials® Daily Packs
Metagenics
Wellness Essentials Healthy Balance Daily Packs
Metagenics
Wellness Essentials Men's Vitality Daily Packs
Metagenics
Wellness Essentials Women's Daily Packs
Metagenics
Wellness Essentials Women's Prime Daily Packs
Thorne
Women's Multi 50+
Pure Encapsulations
Women's Nutrients
Pure Encapsulations
Women's Nutrients
Designs For Health
Women's Twice Daily Essential Packets