Relationship: Hypertension and vitamin C

Evidence supporting the use of: Vitamin C
For the health condition: Hypertension

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Synopsis

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

Vitamin C (ascorbic acid) has been investigated for its potential effects on blood pressure and hypertension. While not traditionally associated with hypertension treatment, there is some scientific interest and research on its role. Several observational studies and randomized controlled trials (RCTs) have examined whether vitamin C supplementation can lower blood pressure. The proposed mechanisms include vitamin C’s antioxidant properties, which may enhance endothelial function and nitric oxide availability, leading to vasodilation and potential reductions in blood pressure.

A meta-analysis published in the American Journal of Clinical Nutrition (2012) reviewed 29 clinical trials and found that vitamin C supplementation (average dose: 500 mg/day) modestly reduced systolic blood pressure by about 3.8 mm Hg and diastolic by about 1.5 mm Hg in the short term. However, the authors noted that the evidence was of moderate quality, and the reduction, while statistically significant, was relatively small compared to standard antihypertensive medications. Other reviews and guidelines emphasize that vitamin C should not replace proven therapies for hypertension, but suggest it may have a supportive role, particularly in individuals with low dietary intake.

In summary, there is some scientific validation for the use of vitamin C to modestly lower blood pressure, but the evidence is not strong and does not justify its use as a primary treatment for hypertension. More large-scale, long-term studies are needed to clarify its clinical relevance.

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Acai berry
Adzuki bean
Alfalfa
Algae
algal oil
Algal protein
Alisma
Allicin
Alliin
Almond fruit
alpha-linolenic acid (ALA)
alpha-lipoic acid
amaranth
AMP-activated protein kinase (AMPK)
ampelopsin
anthocyanidins
anthocyanins
anthocyanosides
apigenin
argan nut oil
Arginine silicate
arjun tree
arjuna
arjunic acid
Arjunolic acid
Aronia melanocarpa
arugula
Ascophyllum nodosum
ashitaba
ashwagandha
asparagus
astaxanthin
astragalin
astragaloside
astragalus
Auricularia
Autumn Olive
avocado
bael
baicalein
baicalin
banaba
banana
barbasco
barley
Bassia scoparia
Bauhinia
bayleaf
beet
berberine
bergamot
beta caryophyllene
beta-glucan
betanin
bignay
bilberry
black cumin
black currant
black garlic
black ginger
black seed
black tea
blackberry
blackboard tree
Blue-Green Alage
blueberry
bok choy
Bombax
bonito peptide
Borassus aethiopum
bottle gourd
Brassica
Brazil nut
breadnut
broccoli
Broussonetia
Brown Algae
Brussel sprouts
brutieridin
Buckwheat
bupleurum falcatum
C-phycocyanin
caffeic Acid
calcium
California chia
Camellia sinensis
cantaloupe
capers
capsicum
carambola
cassava
cat's claw
catalpol
catechins
caterpillar mushroom
catjang cowpea
cauliflower
celery
cha de bugre
cherimoya
cherry
chia seed
chia seed
chickpea protein
Chinese fleeceflower
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Chinese salvia root
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chive
chlorella
chlorogenic acid
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chokeberry
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cinnamon
cistanche
citrus bioflavonoids
citrus sinensis (proprietary)
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cocoa
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cod liver oil
coenzyme Q10 (CoQ10)
coix
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collard
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cucumber
currant
cyanobacteria
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daidzein
daidzin
danshen
date
diallyl disulfide (DADS)
diallyl trisulfide (DATS)
dioscorea
dragon fruit
Ecklonia
eggplant
eicosapentaenoic acid
eleuthero
emblicanin
EPA (eicosapentaenoic acid)
epicatechin
epigallocatechin gallate (EGCG)
eriocitrin
eucommia
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ferulic acid
fiber
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fig
fish
fish oil
fish protein
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gallic acid
ganoderma
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inula racemosa
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kale
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kiwi
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kuding tea
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rye
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Winter Begonia
Withanolides
Xanthone
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Yuzu
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Zucchini

Other health conditions supported by vitamin C

Abrasions
Abscesses
Acne
Acquired Immune Deficiency Syndrome
Addictions (general remedies for)
Addison's Disease
Adrenal Fatigue
Age Spots
Aging (prevention)
Alcoholism
Allergies (food)
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Anemia
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Blood Poisoning
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Bruises (healing)
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Cancer (natural therapy for)
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Cancer Treatment (reducing side effects)
Canker Sores
Capillary Weakness
Carbuncles
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Cartilage Damage
Cataracts
Cervical Dysplasia
Chemical Poisoning
Chemotherapy (reducing side effects)
Chicken Pox
Cholesterol (high)
Chronic Obstructive Pulmonary Disorder
Cold Sores
Colds (antiviral)
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Colds (general)
Colds (prevention)
Colds (with fever)
Colon (atonic)
Congestion
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Congestion (sinus)
Conjunctivitis
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Convalescence
Copper Toxicity
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Debility
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Depression
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Environmental Pollution
Epstein Barr Virus
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Fatigue
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Gall Stones
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Gonorrhea
Gout
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Hair Care (general)
Heart (weakness)
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Hypertension
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PMS (general)
PMS Type C
PMS Type H
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Tuberculosis
Ulcerations (external)
Ulcers
Uric Acid Retention
Urinary Tract Infections
Vaginitis
Varicose Veins
Warts
Wounds and Sores
Wrinkles

Products containing vitamin C

Health Concerns

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Evidence supporting the use of: Vitamin C
For the health condition: Hypertension

Table of Contents

Synopsis

Other ingredients used for Hypertension

Other health conditions supported by vitamin C

Products containing vitamin C

Health Concerns

Brands

Evidence supporting the use of: Vitamin CFor the health condition: Hypertension

Table of Contents

Synopsis

Other ingredients used for Hypertension

Other health conditions supported by vitamin C

Products containing vitamin C

Evidence supporting the use of: Vitamin C
For the health condition: Hypertension