Evidence supporting the use of: Zinc
For the health condition: Memory and Brain Function
Synopsis
Source of validity: Scientific
Rating (out of 5): 2
Zinc is an essential trace mineral involved in numerous biological processes, including neurotransmission, enzyme function, and antioxidant defense. There is some scientific interest in zinc's role in memory and brain function, primarily because zinc is highly concentrated in the brain, particularly in the hippocampus, a region critical for learning and memory. Animal and cell studies have shown that zinc modulates synaptic plasticity, which underlies memory formation and cognitive function. Some human studies indicate that zinc deficiency can impair cognitive performance, especially in children and the elderly.
However, while zinc supplementation clearly benefits individuals with zinc deficiency, the evidence supporting its efficacy in improving memory or cognitive function in otherwise healthy individuals is limited and mixed. Several small clinical trials have explored zinc's impact on cognition, but results have been inconsistent. A few studies suggest that zinc supplementation may improve cognitive scores in malnourished or zinc-deficient populations, but in well-nourished adults, benefits are not consistently observed. Additionally, excessive zinc intake can be neurotoxic and interfere with the absorption of other important minerals, such as copper.
In summary, there is a biological rationale and some preliminary scientific evidence linking zinc to memory and brain health, particularly in the context of deficiency. However, robust clinical evidence for zinc supplementation improving memory or brain function in the general population is lacking. Thus, zinc's use for memory and brain function is somewhat scientifically justified, but the strength of evidence is modest.
Other ingredients used for Memory and Brain Function
2'-Fucosyllactoseacai berry
acetyl l-carnitine
algal oil
alpha-pinene
amino acids
anchovies
anthocyanins
ashwagandha
asparagus
astaxanthin
waterhyssop
beet
berry flavor
beta caryophyllene
bifidobacterium longum
bilberry
black currant
black garlic
sesame
black tea
blackberry
blueberry
Indian frankincense
broccoli
caprylic acid
catechins
caterpillar mushroom
chaga mushroom
Chinese salvia root
choline
cinnamon
citicoline
coenzyme Q10 (CoQ10)
coffee fruit
cordyceps
creatine monohydrate
turmeric
curcumin
d-alpha tocopherol
DHA (docosahexaeonic acid)
diallyl disulfide (DADS)
DPA (docosapentaenoic acid)
eleuthero
EPA (eicosapentaenoic acid)
epigallocatechin gallate (EGCG)
fisetin
fish protein
folate
fruit and vegetable blend (proprietary)
fruit blend (proprietary)
ginkgo biloba
glycerophosphocholine (GPC)
gooseberry
gotu kola
grape
green tea
guarana
guayusa
hesperetin
huperzine A
inositol
jujube
kale
krill oil
kudzu
l-5-methyltetrahydrofolate glucosamine salt (5-MTHF)
l-carnitine
l-carnosine
l-serine
l-taurine
l-theanine
l-tyrosine
lactobacillus reuteri
lecithin
lion's mane
lutein
luteolin
maca
mackerel
marine lipid
matcha
medium chain triglycerides (MCT)
moringa
muira puama
Acetyl-L-Tyrosine
naringin
niacin (vitamin B3)
niacinamide (vitamin B3)
nicotinamide riboside
oat
oleic acid
olive
omega-3 fatty acids
ophiopogon root
perilla
phosphatidylcholine
phosphatidylserine
phospholipids
phytocannabinoids
pine bark
pollen
polygala root
pomegranate
pregnenolone
prolyl endopeptidase (PEP)
pumpkin
pyrroloquinoline disodium salt
quail egg
quercetin
reishi mushroom
resveratrol
rhodiola
rutin
saffron
SAMe (s-adenosyl-l-methionine disulfate p-toluensulfate)
sardines
selenium
black ginger
specialized pro-resolving mediators (SPMs)
spinach
spirulina
strawberry
sulforaphane glucosinolate
threonic acid
tocotrienols
tomato
trans-pterostilbene
almond fruit
ubiquinol
Urolithin A
vegetable and fruit blend (proprietary)
velvet bean
vinpocetine
vitamin B12
vitamin B6
vitamin C
vitamin D
vitamin D3
vitamin E
seaweed
mulberry
zinc
β-nicotinamide mononucleotide (NMN)
suma
jiaogulan
tinospora cordifolia
lingzhi
morus
root tuber
ferulic acid
chrysanthemum
cistanche
lotus seed
royal jelly
terpene lactones
purslane
yerba mate
biota seed
goji berry
algae
cocoa
AMP-activated protein kinase (AMPK)
ashitaba
1,3,7-Trimethylpurine-2,6-dione
3-(4-hydroxy-3-methoxyphenyl)prop-2-enoic acid
5-methyltetrahydrofolate glucosamine
7,8-Dihydroxyflavone
Arachidonic Acid
Apigenin
Aronia melanocarpa
Anserine
Alpha glyceryl
Andrographolide
Avocado
Agmatine
Adrafinil
Acetylcholine
Amentoflavone
Agarwood
Acacetin
Alpha-Lipoic Acid
anthocyanidins
Ampelopsin
Acer Truncatum bunge
Aniracetam
anthocyanosides
Black Seed
Bilobalide
Butylphthalide
Beta-hydroxybutyrate
Breadnut
Blepharis
Beef liver
Baccosides
Bacopin
Baicalein
Basidiomycota
Boswellia
Brahmi
Bacopa
Blue-Green Alage
Bifidobacteria
bacoside
Baicalin
Bird's nest
Centrophenoxine
Camellia sinensis
Centella triterpenes
Chinese Mountain Ant
Cyanobacteria
Carnosine
Catalpol
Chebulic acid
Cod Liver Oil
Codonopsis
Cyanidin
Cruciferous
Centella asiatica
Cinnamic Acid
Chocolate
Chinese Ligustrum berry
Creatine
Catuaba
Convolvulus prostratus
Crocetin
Convolvulus Pluricaulis
Celastrus
Cytidine
cola nut
Canscora
Currant
Carnosic acid
Docosahexaenoic Acid
Danshen
Dendrobium
Decursin
Decursinol
Dibenzo-alpha pyrones
Date
Egg
Elk antler
Emblicanin
Eicosapentaenoic Acid
Glycine
Periwinkle
walnut
yohimbine
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)
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
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
Nature's Sunshine Power Greens To-Go
Nature's Sunshine Power Meal
Nature's Sunshine Power Meal
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
