Abrasions
Abscess
Acanthosis nigricans
Acne
Acne rosacea
Adenoiditis
Adenoma
Adenomyosis
ADHD
Adrenal gland disorder
Allergies
Alzheimer
Anemia
Angina
Anorexia nervosa
Anxiety
Arteriosclerosis
Arthritis
Asbestosis
Asthma
athlete foot
Atrial fibrillation
Atrial flutter
Atrial septal defect
Attention deficit hyperactivity disorder
Autism
Autoimmune disorder
Back pain
Bacterial infection
Benign prostatic hyperplasia
Benign tumor
bipolar disorder
Bloating
Blood clot
Blurred Vision
Bone pain
Brain tumor
Breast Cancer
Bronchitis
Bruise
bruising
Bulimia
Cancer
Candidiasis
Cardiovascular disease
Carpal tunnel syndrome
Cataract
Celiac
Cerebral palsy
Cervical cancer
Chalazion
Chemotherapy
Chest pain
Chickenpox
Cholecystitis
Chondromalacia patella
Chronic Cough
Chronic fatigue syndrome
Chronic obstructive pulmonary disease
Cold
Cold Sores
Colitis
Common Cold
Conjunctivitis
Constipation
Corns
Cough
Crohn
Cystic Fibrosis
Depression
Diabetes
Diarrhea
diarrhoea
Diverticulitis
Dizziness
Ear infection
eczema
Endometriosis
Epilepsy
Erectile dysfunction
Eye infection
Fibromyalgia
Floaters
Flu
Food Poisoning
Frozen shoulder
Gastritis
Gastroenteritis
Gastroesophageal reflux disease
Genital herpes
Gout
Hair loss
hair removal
Hashimoto
Headache
Heart attack
Heart Disease
Heartburn
Hemorrhoids
Hepatitis
Herpes
High Cholesterol
Hives
Hot flashes
Hypertension
hyperthyroidism
hypothyroidism
indigestion
Influenza
Insomnia
Irritable bowel syndrome
jetlag
Kidney infection
Kidney stones
Knee Pain
Laryngitis
Leg cramps
Leukemia
Liver disease
low libido
Lung cancer
Lupus
Measles
Menopause
Migraine
Mild Cognitive Impairment
Multiple sclerosis
muscle building
muscle pain
nausea
Neuropathy
Obesity
osteoarthritis
Osteoporosis
Ovarian cancer
Pancreatitis
Parkinson
Pelvic Pain
Pneumonia
Polycystic ovary syndrome
Premenstrual Syndrome
Prostate cancer
Psoriasis
Rash
Reflux
Rheumatoid arthritis
Ringworm
Salmonella
Sciatica
Shingles
Sinusitis
Skin cancer
Sleep apnea
Sore throat
Stroke
Swollen Lymph Nodes
Tendonitis
Thrush
tinnitus
Tonsillitis
Toothache
Tuberculosis
Ulcer
Urinary tract infection
Uterine Fibroids
Vertigo
Warts
weight loss
Whooping cough
Yeast infection

<li class="lp-wrap-cats" data-catid="1162">Abrasions</li><li class="lp-wrap-cats" data-catid="1163">Abscess</li><li class="lp-wrap-cats" data-catid="1164">Acanthosis nigricans</li><li class="lp-wrap-cats" data-catid="1063">Acne</li><li class="lp-wrap-cats" data-catid="1165">Acne rosacea</li><li class="lp-wrap-cats" data-catid="1167">Adenoiditis</li><li class="lp-wrap-cats" data-catid="1168">Adenoma</li><li class="lp-wrap-cats" data-catid="1460">Adenomyosis</li><li class="lp-wrap-cats" data-catid="1469">ADHD</li><li class="lp-wrap-cats" data-catid="1169">Adrenal gland disorder</li><li class="lp-wrap-cats" data-catid="1064">Allergies</li><li class="lp-wrap-cats" data-catid="1207">Alzheimer</li><li class="lp-wrap-cats" data-catid="1066">Anemia</li><li class="lp-wrap-cats" data-catid="1067">Angina</li><li class="lp-wrap-cats" data-catid="1482">Anorexia nervosa</li><li class="lp-wrap-cats" data-catid="1068">Anxiety</li><li class="lp-wrap-cats" data-catid="1173">Arteriosclerosis</li><li class="lp-wrap-cats" data-catid="1069">Arthritis</li><li class="lp-wrap-cats" data-catid="1174">Asbestosis</li><li class="lp-wrap-cats" data-catid="1070">Asthma</li><li class="lp-wrap-cats" data-catid="1475">athlete foot</li><li class="lp-wrap-cats" data-catid="1211">Atrial fibrillation</li><li class="lp-wrap-cats" data-catid="1176">Atrial flutter</li><li class="lp-wrap-cats" data-catid="1177">Atrial septal defect</li><li class="lp-wrap-cats" data-catid="1178">Attention deficit hyperactivity disorder</li><li class="lp-wrap-cats" data-catid="1179">Autism</li><li class="lp-wrap-cats" data-catid="1180">Autoimmune disorder</li><li class="lp-wrap-cats" data-catid="1072">Back pain</li><li class="lp-wrap-cats" data-catid="1073">Bacterial infection</li><li class="lp-wrap-cats" data-catid="1183">Benign prostatic hyperplasia</li><li class="lp-wrap-cats" data-catid="1182">Benign tumor</li><li class="lp-wrap-cats" data-catid="1481">bipolar disorder</li><li class="lp-wrap-cats" data-catid="1421">Bloating</li><li class="lp-wrap-cats" data-catid="1185">Blood clot</li><li class="lp-wrap-cats" data-catid="1457">Blurred Vision</li><li class="lp-wrap-cats" data-catid="1225">Bone pain</li><li class="lp-wrap-cats" data-catid="1188">Brain tumor</li><li class="lp-wrap-cats" data-catid="1209">Breast Cancer</li><li class="lp-wrap-cats" data-catid="1074">Bronchitis</li><li class="lp-wrap-cats" data-catid="1189">Bruise</li><li class="lp-wrap-cats" data-catid="1477">bruising</li><li class="lp-wrap-cats" data-catid="1190">Bulimia</li><li class="lp-wrap-cats" data-catid="1075">Cancer</li><li class="lp-wrap-cats" data-catid="1076">Candidiasis</li><li class="lp-wrap-cats" data-catid="1077">Cardiovascular disease</li><li class="lp-wrap-cats" data-catid="1194">Carpal tunnel syndrome</li><li class="lp-wrap-cats" data-catid="1195">Cataract</li><li class="lp-wrap-cats" data-catid="1462">Celiac</li><li class="lp-wrap-cats" data-catid="1197">Cerebral palsy</li><li class="lp-wrap-cats" data-catid="1198">Cervical cancer</li><li class="lp-wrap-cats" data-catid="1199">Chalazion</li><li class="lp-wrap-cats" data-catid="1216">Chemotherapy</li><li class="lp-wrap-cats" data-catid="1200">Chest pain</li><li class="lp-wrap-cats" data-catid="1078">Chickenpox</li><li class="lp-wrap-cats" data-catid="1203">Cholecystitis</li><li class="lp-wrap-cats" data-catid="1204">Chondromalacia patella</li><li class="lp-wrap-cats" data-catid="1454">Chronic Cough</li><li class="lp-wrap-cats" data-catid="1205">Chronic fatigue syndrome</li><li class="lp-wrap-cats" data-catid="1206">Chronic obstructive pulmonary disease</li><li class="lp-wrap-cats" data-catid="1080">Cold</li><li class="lp-wrap-cats" data-catid="1448">Cold Sores</li><li class="lp-wrap-cats" data-catid="1081">Colitis</li><li class="lp-wrap-cats" data-catid="1437">Common Cold</li><li class="lp-wrap-cats" data-catid="1082">Conjunctivitis</li><li class="lp-wrap-cats" data-catid="1083">Constipation</li><li class="lp-wrap-cats" data-catid="1473">Corns</li><li class="lp-wrap-cats" data-catid="1084">Cough</li><li class="lp-wrap-cats" data-catid="1465">Crohn</li><li class="lp-wrap-cats" data-catid="1472">Cystic Fibrosis</li><li class="lp-wrap-cats" data-catid="1438">Depression</li><li class="lp-wrap-cats" data-catid="1085">Diabetes</li><li class="lp-wrap-cats" data-catid="1086">Diarrhea</li><li class="lp-wrap-cats" data-catid="1224">diarrhoea</li><li class="lp-wrap-cats" data-catid="1087">Diverticulitis</li><li class="lp-wrap-cats" data-catid="1088">Dizziness</li><li class="lp-wrap-cats" data-catid="1214">Ear infection</li><li class="lp-wrap-cats" data-catid="1420">eczema</li><li class="lp-wrap-cats" data-catid="1458">Endometriosis</li><li class="lp-wrap-cats" data-catid="1089">Epilepsy</li><li class="lp-wrap-cats" data-catid="1090">Erectile dysfunction</li><li class="lp-wrap-cats" data-catid="1091">Eye infection</li><li class="lp-wrap-cats" data-catid="1445">Fibromyalgia</li><li class="lp-wrap-cats" data-catid="1451">Floaters</li><li class="lp-wrap-cats" data-catid="1092">Flu</li><li class="lp-wrap-cats" data-catid="1449">Food Poisoning</li><li class="lp-wrap-cats" data-catid="1213">Frozen shoulder</li><li class="lp-wrap-cats" data-catid="1444">Gastritis</li><li class="lp-wrap-cats" data-catid="1093">Gastroenteritis</li><li class="lp-wrap-cats" data-catid="1094">Gastroesophageal reflux disease</li><li class="lp-wrap-cats" data-catid="1095">Genital herpes</li><li class="lp-wrap-cats" data-catid="1097">Gout</li><li class="lp-wrap-cats" data-catid="1212">Hair loss</li><li class="lp-wrap-cats" data-catid="1483">hair removal</li><li class="lp-wrap-cats" data-catid="1439">Hashimoto</li><li class="lp-wrap-cats" data-catid="1098">Headache</li><li class="lp-wrap-cats" data-catid="1099">Heart attack</li><li class="lp-wrap-cats" data-catid="1441">Heart Disease</li><li class="lp-wrap-cats" data-catid="1227">Heartburn</li><li class="lp-wrap-cats" data-catid="1101">Hemorrhoids</li><li class="lp-wrap-cats" data-catid="1102">Hepatitis</li><li class="lp-wrap-cats" data-catid="1103">Herpes</li><li class="lp-wrap-cats" data-catid="1442">High Cholesterol</li><li class="lp-wrap-cats" data-catid="1104">Hives</li><li class="lp-wrap-cats" data-catid="1229">Hot flashes</li><li class="lp-wrap-cats" data-catid="1105">Hypertension</li><li class="lp-wrap-cats" data-catid="1231">hyperthyroidism</li><li class="lp-wrap-cats" data-catid="1230">hypothyroidism</li><li class="lp-wrap-cats" data-catid="1221">indigestion</li><li class="lp-wrap-cats" data-catid="1106">Influenza</li><li class="lp-wrap-cats" data-catid="1107">Insomnia</li><li class="lp-wrap-cats" data-catid="1108">Irritable bowel syndrome</li><li class="lp-wrap-cats" data-catid="1476">jetlag</li><li class="lp-wrap-cats" data-catid="1109">Kidney infection</li><li class="lp-wrap-cats" data-catid="1110">Kidney stones</li><li class="lp-wrap-cats" data-catid="1440">Knee Pain</li><li class="lp-wrap-cats" data-catid="1111">Laryngitis</li><li class="lp-wrap-cats" data-catid="1112">Leg cramps</li><li class="lp-wrap-cats" data-catid="1113">Leukemia</li><li class="lp-wrap-cats" data-catid="1114">Liver disease</li><li class="lp-wrap-cats" data-catid="1468">low libido</li><li class="lp-wrap-cats" data-catid="1115">Lung cancer</li><li class="lp-wrap-cats" data-catid="1464">Lupus</li><li class="lp-wrap-cats" data-catid="1117">Measles</li><li class="lp-wrap-cats" data-catid="1118">Menopause</li><li class="lp-wrap-cats" data-catid="1119">Migraine</li><li class="lp-wrap-cats" data-catid="1471">Mild Cognitive Impairment</li><li class="lp-wrap-cats" data-catid="1121">Multiple sclerosis</li><li class="lp-wrap-cats" data-catid="1480">muscle building</li><li class="lp-wrap-cats" data-catid="1484">muscle pain</li><li class="lp-wrap-cats" data-catid="1220">nausea</li><li class="lp-wrap-cats" data-catid="1215">Neuropathy</li><li class="lp-wrap-cats" data-catid="1443">Obesity</li><li class="lp-wrap-cats" data-catid="1474">osteoarthritis</li><li class="lp-wrap-cats" data-catid="1123">Osteoporosis</li><li class="lp-wrap-cats" data-catid="1122">Ovarian cancer</li><li class="lp-wrap-cats" data-catid="1124">Pancreatitis</li><li class="lp-wrap-cats" data-catid="1463">Parkinson</li><li class="lp-wrap-cats" data-catid="1455">Pelvic Pain</li><li class="lp-wrap-cats" data-catid="1126">Pneumonia</li><li class="lp-wrap-cats" data-catid="1128">Polycystic ovary syndrome</li><li class="lp-wrap-cats" data-catid="1478">Premenstrual Syndrome</li><li class="lp-wrap-cats" data-catid="1129">Prostate cancer</li><li class="lp-wrap-cats" data-catid="1130">Psoriasis</li><li class="lp-wrap-cats" data-catid="1452">Rash</li><li class="lp-wrap-cats" data-catid="1132">Reflux</li><li class="lp-wrap-cats" data-catid="1133">Rheumatoid arthritis</li><li class="lp-wrap-cats" data-catid="1134">Ringworm</li><li class="lp-wrap-cats" data-catid="1136">Salmonella</li><li class="lp-wrap-cats" data-catid="1447">Sciatica</li><li class="lp-wrap-cats" data-catid="1139">Shingles</li><li class="lp-wrap-cats" data-catid="1140">Sinusitis</li><li class="lp-wrap-cats" data-catid="1141">Skin cancer</li><li class="lp-wrap-cats" data-catid="1142">Sleep apnea</li><li class="lp-wrap-cats" data-catid="1143">Sore throat</li><li class="lp-wrap-cats" data-catid="1145">Stroke</li><li class="lp-wrap-cats" data-catid="1456">Swollen Lymph Nodes</li><li class="lp-wrap-cats" data-catid="1446">Tendonitis</li><li class="lp-wrap-cats" data-catid="1148">Thrush</li><li class="lp-wrap-cats" data-catid="1226">tinnitus</li><li class="lp-wrap-cats" data-catid="1149">Tonsillitis</li><li class="lp-wrap-cats" data-catid="1150">Toothache</li><li class="lp-wrap-cats" data-catid="1151">Tuberculosis</li><li class="lp-wrap-cats" data-catid="1152">Ulcer</li><li class="lp-wrap-cats" data-catid="1153">Urinary tract infection</li><li class="lp-wrap-cats" data-catid="1459">Uterine Fibroids</li><li class="lp-wrap-cats" data-catid="1155">Vertigo</li><li class="lp-wrap-cats" data-catid="1156">Warts</li><li class="lp-wrap-cats" data-catid="1467">weight loss</li><li class="lp-wrap-cats" data-catid="1157">Whooping cough</li><li class="lp-wrap-cats" data-catid="1158">Yeast infection</li>

Can NOW Supplements Beta-Glucans Help with Cold Sores?

Last update

4/21/2026

Overview

SCIENTIFIC SCORE

No researches found

N/A

USERS' SCORE

Good

Based on 2 Reviews

8.3

Supplement Facts

Serving Size: 2 Veg Capsule

Amount Per Serving

%DV

Beta-1,3/1,6-D-Glucan Powder (from Saccharomyces cerevisiae)

500 mg

ImmunEnhancer [Arabinogalactan from Larch Tree (Larix occidentalis)]

400 mg

* Daily Value not established.

📅 Last updated: March 20, 2026

Most Useful Reviews

7.5

Sick less often

It's okay; I definitely feel that my immunity temporarily increases when I take it. I catch a cold less frequently.

7.5

Immunity enhancement

Effectively boosts immunity at a reasonable price and shortens the severity of colds.

Most Recommended Products for Cold Sores

Life Extension Bio-Quercetin

SCIENTIFIC SCORE

Likely Very Effective

Based on 1 Research

9.5

USERS' SCORE

Good

Based on 12 Reviews

8.2

NOW Foods Iron

SCIENTIFIC SCORE

Likely Very Effective

Based on 1 Research

USERS' SCORE

Good

Based on 3 Reviews

8.4

Jarrow Formulas Curcumin 95

SCIENTIFIC SCORE

Likely Very Effective

Based on 1 Research

USERS' SCORE

Good

Based on 10 Reviews

8.2

Life Extension Vitamin C and Bio-Quercetin

SCIENTIFIC SCORE

Moderately Effective

Based on 3 Researches

8.3

USERS' SCORE

Good

Based on 6 Reviews

8.7

User Reviews

USERS' SCORE

Good

Based on 2 Reviews

8.3

All Reviews
Positive Reviews
Negative Reviews

7.5

Sick less often

It's okay; I definitely feel that my immunity temporarily increases when I take it. I catch a cold less frequently.

7.5

Immunity enhancement

Effectively boosts immunity at a reasonable price and shortens the severity of colds.

Frequently Asked Questions

Cold sores, also known as fever blisters, are small, fluid-filled blisters that typically appear on or around the lips, although they can also occur in other areas of the face. They are caused by the herpes simplex virus (HSV), primarily HSV-1, and are highly contagious. The initial outbreak may be accompanied by symptoms such as fever, swollen lymph nodes, and a general feeling of malaise. Once infected, the virus remains dormant in the body and can reactivate, leading to recurring outbreaks, often triggered by stress, illness, or exposure to sunlight.

Treatment options for cold sores often focus on alleviating symptoms and speeding up healing. Over-the-counter creams containing antiviral medication like docosanol can help reduce the duration of an outbreak when applied early on. Prescription medications may be recommended for more severe cases. Home remedies, such as applying ice, using aloe vera, or taking lysine supplements, may also offer some relief. Prevention strategies include avoiding known triggers and practicing good hygiene, like not sharing utensils or personal items with infected individuals.

Beta-glucan is a type of soluble fiber that is primarily found in the cell walls of oats, barley, and certain fungi, such as mushrooms. It is renowned for its potential health benefits, particularly in supporting the immune system and improving cholesterol levels. When consumed, beta-glucan can form a gel-like substance in the gut, which slows down digestion and can lead to a feeling of fullness. This attribute makes it a popular addition to many diets aimed at weight management and heart health.

In addition to its role in promoting cardiovascular health, beta-glucan has been studied for its potential immune-boosting properties. Research indicates that it may enhance the body’s immune response by activating certain immune cells, such as macrophages and natural killer cells. It is often marketed as a supplement or included in health foods, making it an appealing choice for those seeking natural ways to support their overall health. Whether incorporated through whole foods or supplements, beta-glucan can be a beneficial addition to a balanced diet.

Based on user reviews, the timeline for seeing results from beta-glucan supplements for cold sores can vary. Some users report that they experience benefits within just a few days, with symptoms easing significantly in as little as two days after starting the supplement Read Review. Other users, however, indicate that it may take several weeks before noticing a marked reduction in the frequency and severity of cold sores Read Review.

For those using beta-glucans consistently as part of their regimen, many have observed that regular usage over longer periods is important for optimal immune support, which indirectly helps with cold sores Read Review. It is worth noting that individual responses can vary greatly, with some reviewers expressing dissatisfaction or no effect, especially if their expectations were based on quicker results Read Review. Overall, while some users may find fast relief, others advocate for ongoing use to see significant improvements over time.

Based on user reviews, a number of anecdotal experiences highlight significant improvements in symptoms related to cold sores and overall immune health after using beta-glucan supplements. Users have reported that these supplements have led to fewer occurrences of cold sores, with some experiencing a complete cessation of eruptions after starting a regimen Read Review. Additionally, several contributors noted that they managed to reduce the severity and duration of cold symptoms, often recovering much more quickly when these supplements were part of their routine Read Review.

Moreover, many users expressed their satisfaction with overall immunity enhancement, characterizing their experience as having a more robust immune response, which often resulted in avoiding colds altogether or experiencing milder symptoms when falling ill Read Review. It's important to note that while these benefits have been observed by various users, individual results can vary considerably; some individuals even reported no effect at all Read Review. Therefore, while many find beta-glucans to be effective, personal experiences can differ significantly.

Users have reported positive experiences when combining beta-glucans with other supplements for managing cold sores and related symptoms. One reviewer noted that alongside beta-glucan, they took zinc and vitamin C, which proved effective in coping with cold symptoms Read Review. Another user shared their practice of using beta-glucan in conjunction with Propolis to swiftly heal discomfort associated with cold symptoms Read Review. Many have highlighted that the synergy between beta-glucans and other immuno-supportive supplements can enhance overall effectiveness, leading to reduced frequency and severity of cold sore outbreaks or respiratory illnesses.

Moreover, users emphasized that consistency and a multi-supplement approach have often yielded better outcomes. For instance, one reviewer mentioned the effectiveness of beta-glucans paired with flu supplements, suggesting that this combination has been beneficial in improving overall immune response and wellness Read Review. Overall, while individual experiences may vary, many users advocate for combining beta-glucans with other supplements to bolster immunity and combat cold sores effectively.

Based on user reviews, there is no consensus on a specific dose for Beta Glucan when it comes to treating cold sores. However, several users have shared their experiences with varying dosages. One user mentioned taking two tablets in the morning, which they found effective for managing cold sores Read Review. Other users reported taking a range of 4-6 capsules daily to help combat symptoms associated with colds and maintain immunity Read Review. It's worth noting that a few reviews did not specify exact dosages but highlighted the general effectiveness of Beta Glucan in reducing the frequency and severity of cold-related symptoms Read Review.

As an Amazon Associate, I may earn from qualifying purchases made through the links on this site