Evidence supporting the use of: Zinc
For the health condition: Free Radical Damage
Synopsis
Source of validity: Scientific
Rating (out of 5): 3
Zinc is scientifically recognized for its role in supporting the body's defense against free radical damage, primarily due to its function as a cofactor for various antioxidant enzymes. One of the most notable enzymes is superoxide dismutase (SOD), which helps neutralize superoxide radicals, a common form of reactive oxygen species (ROS). Zinc also plays a role in stabilizing cell membranes and preventing oxidative injury by inhibiting the production of free radicals and supporting the integrity of biological membranes. Numerous in vitro and animal studies have demonstrated that zinc supplementation can reduce oxidative stress markers, and some human studies suggest zinc's potential to enhance antioxidant status, particularly in individuals with zinc deficiency or increased oxidative stress. For example, research has shown that zinc supplementation in elderly populations and in patients with certain chronic diseases can increase antioxidant enzyme activity and reduce markers of lipid peroxidation. However, while the biochemical mechanisms are well-established and there is moderate evidence from experimental and clinical studies, large-scale randomized controlled trials in healthy human populations are less abundant. The overall evidence supports zinc's role in protecting against free radical damage, but more research is needed to clarify the specific clinical benefits, optimal dosing, and long-term effects. Thus, the use of zinc for combating free radical damage is scientifically justified, with a moderate evidence rating.
Other ingredients used for Free Radical Damage
1,2-di-galloyl-4,6hexahydroxydiphenoyl-D-glucose3,3'-dihydroxy-B-carotene-4,4'-dione
3-Isomangostin
5,7-Dimethoxyflavone
7,4-Dimethoxyflavone
7-hydroxymatairesinol (HMR)
Acacetin
Acai berry
Acer truncatum
Acetyl L-carnitine
Algae
Algal protein
Allophycocyanin
Alpha-carotene
alpha-glycosyl isoquercitrin
alpha-lipoic acid
amentoflavone
amethoflavone
amino acids
ankaflavin
anthocyanidins
anthocyanins
anthocyanosides
antirrhinin
apigenin
apocarotenal
apocynin
apricot
arctiin
argan nut oil
Arjunolic acid
Aronia melanocarpa
ascorbigen
ascorbyl palmitate
astaxanthin
astragaloside
astragalus
Auricularia
Autumn Olive
avocado
baccosides
bacoside
baicalin
Basidiomycota
basil
bee pollen
benfotiamine
berry
beta-carotene
beta-hydroxybutyrate
beta-tocopherol
beta-zeacarotene
betanin
BHA (butylated hydroxyanisole)
BHT (butylated hydroxytoluene)
bilberry
bioflavonoids
black currant
black garlic
black tea
blackberry
blueberry
bok choy
boysenberry
Brassica
Brazil nut
broccoli
Brussel sprouts
C-phycocyanin
caffeic Acid
caffeine
Camellia sinensis
camu camu
canthaxanthin
capsanthin
capsorubin
carnosic acid
Carnosine
carnosol
carotene (unspecified)
cashew
catalase
catechins
caterpillar mushroom
cauliflower
chebulic acid
chebulinic acid
chocolate
chokeberry
chrysin
cichoric acid
cistanche
cocoa
coconut milk
coenzyme Q10 (CoQ10)
coffee fruit
crocetin
Crypthecodinium
cryptoxanthin
cupric ascorbate
dehydroascorbic acid
delphinidin
delta-tocopherol
desoxyrhaponticin
dibenzo-alpha pyrones
dihydrolipoic acid
diosmetin
dismutase
dragon fruit
Dumontiaceae
Dunaliella
Dunaliella salina
Ecklonia
ellagic acid
emblicanin
epicatechin
epigallocatechin gallate (EGCG)
ergothioneine
eriodictyol
erythorbic acid
ethylgallate
fatty acids
ferulic acid
fish protein
flavanones
flavans
flavin mononucleotide
flavoglycosides
flavones
flavonols
flavonones
fruit blend (proprietary)
fucoidan
fulvic acid
furanosterols
Gac
gamma-carotene
gamma-glutamylcysteine
ganoderma
Garcinone C
Garcinone E
ginseng
Ginsenosides
Glucan peptides
Glutathione
goji berry
grape
green tea
greens blend (proprietary)
guarana
Haematococcus pluvialis
hesperetin
hesperidin
HMR lignan
honeybush
hydroxycinnamic acid
hydroxyphenylethanols
hydroxytyrosol
Idebenone
isoascorbate
isovitexin
Jaboticaba
Kaempferol
kucha tea
L-carnosine
L-cysteine
L-glutathione
L-glycine
Lentinula edodes mycelia
Leucodelphinidin
lingzhi
lipids
lutein
Lycium
macadamia
malvidin
mangiferin
mangostanol
mangostene xanthone
Matcha
Mate
Melatonin
Methoxylated flavones
Methylselenocysteine
Mineral ascorbate
mixed carotenoids
Myricitrin
N-acetyl-cysteine (NAC)
N-Caffeoyldopamine
Neoandrographolides
Neoxanthin
nicotinamide riboside
Oligomeric proanthocyanidins
omega-3 fatty acids
oyster mushroom
papaya
Pecan
Pentacyclic triterpenoids
Pentose phosphate
phenolic compounds
Phosphate ascorbate
phospholipids
Phthalides
Phycocyanin
Phytoene
Phytofluene
Phytoplankton
pine bark
Plankton
Pleurotus eryngii
polymethoxylated flavones
polyphenols
polyporous mushroom
proanthocyanidins
procyanidin
procyanidol
propyl gallate
punicalagins
punicosides
Pycnogenol
pyrroloquinoline disodium salt
pyrroloquinoline quinone
quercetin
raspberry
reishi mushroom
resveratrol
rhammetin
Ribose-l-cysteine
robusta coffee
Rooibos
rosmarinic acid
royal jelly
Salidroside
Schisandrins
Scopoletin
selenium
Sesamolin
Shilajit
Silychristin
spirulina
Squalene
strawberry
Tangeretin
Taxifolin
Theaflavin
Tiliroside
Tremella
Trigalloyl glucose
turmeric
Tyrosol
ubiquinol
Uncaria
Vanillin
vegetable blend (proprietary)
Vestitol
vitamin C
vitamin E
Walnut
wheat germ
Whey protein
White Tea
Withanolides
Xanthone
Xanthophyll
Xylaria nigripes
Yumberry
Zinc
Other health conditions supported by Zinc
AbrasionsAcne
Acquired Immune Deficiency Syndrome
Aging (prevention)
Alcoholism
Anemia
Anorexia
Antibiotics (alternatives to)
Anxiety
Anxiety Disorders
Appetite (deficient)
Arthritis
Athlete's Foot
Attention Deficit Disorder
Autism
Autoimmune Disorders
Benign Prostate Hyperplasia
Birth Defects (prevention)
Bites and Stings
Blisters
Body Building
Body Odor
Boils
Broken Bones
Bruises (healing)
Bulimia
Burns and Scalds
Calcium Deficiency
Cancer (natural therapy for)
Cancer (prevention)
Cancer Treatment (reducing side effects)
Canker Sores
Carbuncles
Cardiovascular Disease
Cartilage Damage
Cataracts
Celiac Disease
Cervical Dysplasia
Chemotherapy (reducing side effects)
Cholera
Cirrhosis of the Liver
Cold Sores
Colds (antiviral)
Colds (decongestant)
Colds (general)
Colds (prevention)
Colds (with fever)
Colitis
Concentration (poor)
Congestion
Congestive Heart Failure
Conjunctivitis
Contagious Diseases
Convalescence
Copper Toxicity
Cough (damp)
Cough (dry)
Cough (general)
Cough (spastic)
Cradle Cap
Cramps (menstrual)
Crohn's Disease
Cuts
Cystic Fibrosis
Dandruff
Debility
Dehydration
Depression
Dermatitis
Diabetes
Diabetic Retinopathy
Diaper Rash
Diarrhea
Digestion (poor)
Duodenal Ulcers
Dysentery
Eczema
Endometriosis
Energy (lack of)
Enteritis
Epstein Barr Virus
Erectile Dysfunction
Exercise
Eye Infections
Eye Problems
Eyes (red or itching)
Eyes (spots before)
Eyesight (poor)
Failure to Thrive
Fat Metabolism (poor)
Fatty Liver Disease
Fibrosis
Fingernails (weak or brittle)
Foot Odor
Free Radical Damage
Gastritis
Giardia
Gingivitis
Hair (loss or thinning)
Hair Care (general)
Halitosis
Hashimoto's Disease
Hearing Loss
Heart (weakness)
Heavy Metal Poisoning
Hemochromatosis
Hemorrhoids
Hepatitis
Herpes
Hypothyroid
Impetigo
Infection
Infection (bacterial)
Infection (viral)
Infertility
Inflammation
Inflammatory Bowel Disorders
Influenza
Injuries
Insomnia
Irritability
Irritable Bowel Syndrome
Itching
Itching (rectal)
Jock Itch
Labor and Delivery
Lead Poisoning
Leaky Gut Syndrome
Leprosy
Lesions
Leucorrhea
Liver Detoxification
Lupus
Macular Degeneration
Mastitis
Measles
Memory and Brain Function
Menorrhagia
Menstrual Irregularity
Mental Illness
Metabolic Syndrome
Migraine
Miscarriage (prevention)
Mononucleosis
Mood Swings
Nerve Damage
Nervous Exhaustion
Night Blindness
Nursing
Obsessive Compulsive Disorder
Oral Surgery
Osteoporosis
Pancreatitis
PMS (general)
PMS Type A
PMS Type C
PMS Type D
PMS Type H
PMS Type P
PMS Type S
Pneumonia
Poison Ivy or Oak
Post Partum Depression
Post Partum Weakness
Pregnancy (herbs and supplements for)
Premature Ejaculation
Progesterone (low)
Prostatitis
Protein Digestion (poor)
Psoriasis
Puberty (hormone balancer)
Rashes and Hives
Rhinitis
Rosacea
Scars / Scar Tissue
Schizophrenia
Scratches and Abrasions
Seborrhea
Sex Drive (low)
Shingles
Sickle Cell Anemia
Sinus Infection
Skin (dry and/or flaky)
Skin (infections)
Skin (oily)
Skin Care (general)
Sleep (restless and disturbed)
Small Intestinal Bacterial Overgrowth
Smell (loss of)
Sore or Geographic Tongue
Sore Throat
Stress
Stye
Sugar Cravings
Sunburn
Surgery (healing from)
Surgery (preparation for)
Syphilis
Teeth (loose)
Testosterone (low)
Thinking (cloudy)
Tickle in Throat
Tonsillitis
Tooth Decay
Toxemia
Triglycerides (high)
Tuberculosis
Ulcerations (external)
Ulcers
Vitiligo
Warts
Wasting
Worry
Wounds and Sores
Products containing Zinc
Nature's Sunshine Love and Peas (Sugar Free Original Formula)
Nature's Sunshine 5-HTP Power
Nature's Sunshine Adrenal Support
Nature's Sunshine AnxiousLess
Nature's Sunshine AnxiousLess
Nature's Sunshine Bowel Detox
Nature's Sunshine Calcium-Magnesium (SynerPro)
Nature's Sunshine Candida Clear
Nature's Sunshine Cellular Energy
Nature's Sunshine Children's Elderberry Immune
Nature's Sunshine Children's MultiVitamin & Mineral
Nature's Sunshine Defense Maintenance
Nature's Sunshine Dieter's Cleanse
Nature's Sunshine Glandular System
Nature's Sunshine Love and Peas (Sugar Free) NEW!
Nature's Sunshine Love and Peas
Nature's Sunshine Master Gland Formula®
Nature's Sunshine Mega-Chel
Nature's Sunshine Men's Formula (With Lycopene)
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 Perfect Eyes
Nature's Sunshine Power Greens Pouch
Nature's Sunshine Power Greens To-Go
Nature's Sunshine Power Meal Chocolate
Nature's Sunshine Power Meal Vanilla
Nature's Sunshine Skeletal Strength
Nature's Sunshine Solstic Twenty-Four
Nature's Sunshine Solstic Immune
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 Target TS-II Formula
Nature's Sunshine Thyroid Support
Nature's Sunshine Ultrabiome DTX
Nature's Sunshine VitaWave
Nature's Sunshine Yeast/Fungal Detox
Nature's Sunshine Zinc
Nature's Sunshine Zinc Lozenge
