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What Are Garlic Supplements?

Garlic supplements are made from concentrated extracts of the Allium sativum plant. People often use them because they may help support heart health by lowering cholesterol and blood pressure, strengthen the immune system, and improve metabolism.
In Bangladesh, you can find garlic capsules, tablets, and oils sold as over-the-counter herbal supplements. The main active compounds, especially allicin and S-allyl cysteine, are known for their anti-inflammatory, cholesterol-lowering, and blood pressure-reducing effects (Reid, 2020; Ansary et al., 2020).

Where Can You Buy Garlic Supplements in Bangladesh?

Garlic supplements are available at pharmacies, supermarkets, and online stores in Bangladesh.

Trusted Sources:

  • E-commerce sites: Daraz, Chaldal, Othoba
  • Pharmacies: Lazz Pharma, UniMed, Apollo
  • Herbal retailers: Unani and Ayurvedic outlets in Dhaka, Sylhet, and Chittagong
Product Type
Common Dose
Average Price (BDT)
Capsules 500–1200 mg ৳450 – ৳1,500 (per 60–120 caps)
Tablets 300–600 mg ৳300 – ৳900
Aged Garlic Extract (AGE) 600 mg ৳800 – ৳1,600

What Are the Proven Benefits of Garlic Supplements?

Scientifically Validated Benefits:

Health Area
Clinical Benefit
Supporting Research
Heart Health
 Lowers LDL cholesterol by 10%, reduces blood pressure by 8–10 mmHg Reid et al., 2019; Matsutomo, 2019
Immunity
 Reduces frequency and severity of colds Esme et al., 2019; Rouf et al., 2020
Anti-inflammatory
 Suppresses TNF-α, IL-6 cytokines Moosavian et al., 2020
Cognitive Health
 May slow Alzheimer’s progression Sripanidkulchai, 2019; Tedeschi et al., 2022
Heavy Metal Detox
 Decreases blood lead by 19% Mumtaz et al., 2020
Allicin and other sulfur compounds in garlic may help lower blood pressure by relaxing blood vessels, reduce inflammation by affecting cytokine production, and protect cells by improving the body’s response to oxidative stress.

Is Garlic Safe as a Daily Supplement?

Yes, for most people, garlic is safe when used in normal amounts.

Safety Profile Summary:

Factor
Status
General Use
 Safe up to 1200 mg/day
Pregnancy/Breastfeeding
 Safe in food amounts; supplements not well-studied
Children
 Use under medical supervision
Liver/Kidney Issues
 No major adverse reports
Autoimmune diseases
 Generally safe but consult a doctor

Possible Side Effects:

  • Bad breath, body odor
  • Heartburn or upset stomach
  • Allergic reactions in sensitive individuals
High doses may thin blood—caution advised if you’re taking anticoagulants or have a bleeding disorder.

What Drugs and Herbs May Interact with Garlic Supplements?

Moderate to Severe Interaction Risks:

Interacting Agent
Type
Effect
Warfarin, Apixaban, Dabigatran
 Anticoagulants Risk of bleeding
NSAIDs (e.g., ibuprofen)
 Anti-inflammatory Increased bleeding risk
Aspirin, Clopidogrel
 Platelet inhibitors May enhance blood-thinning effect
Saquinavir
 Antiviral May reduce drug levels
Diabetes meds (e.g., metformin)
 Antidiabetic Risk of hypoglycemia
Other herbs (Ginger, Ginkgo)
 Supplements Additive effects on blood thinning
Inform your doctor about any supplements you use, especially before surgery or ongoing treatments.

How to Use Garlic Supplements Effectively?

Form
Recommended Dose
Usage Instructions
Capsule
 500–1200 mg/day With food to prevent upset stomach
AGE (Aged Garlic Extract)
 600–1200 mg/day Split into 2 doses
Garlic Oil Softgels
 1–2 daily Rich in allyl sulfides

Dosage Notes:

  • Follow labeled instructions.
  • Regular daily use helps; effects appear in 4–12 weeks.
  • Avoid raw garlic on an empty stomach if you have GERD.

Garlic in Traditional Bangladeshi and Global Medicine

People have used garlic for more than 5,000 years in Unani, Ayurvedic, and folk medicine, both in Bangladesh and around the world.

Traditional Uses:

  • Treating cold, cough, and asthma
  • Managing blood sugar levels
  • Enhancing libido and energy
  • Wound healing (topical garlic paste)
In Bangladesh, people often boil garlic in milk or honey to help with respiratory or joint problems.

What Are Garlic’s Nutritional & Medicinal Compounds?

Nutritional information (for a 3g clove):
Nutrient
Amount
Calories 4.5 kcal
Vitamin C 1.2 mg
Manganese 0.2 mg
Vitamin B6 0.04 mg
Selenium 0.4 mcg
Main medicinal compounds:
  • Allicin (antimicrobial, vasodilator)
  • Diallyl disulfide (cholesterol-lowering)
  • S-allyl cysteine (immune booster)
  • Ajoene (antiplatelet effect)

Garlic for Specific Conditions – Evidence Table

Condition
Effectiveness
Notes
Hypertension
 Proven Comparable to medication (Reid, 2019)
High cholesterol
 Moderate Lowers LDL, not HDL
Common cold
 Moderate Prevents severity
Detoxification
 Proven Especially heavy metals
Arthritis/Osteoarthritis
 Preliminary Reduces inflammation & pain
Bone Health
 Emerging evidence Especially postmenopausal women

Research and References

  • Reid K. et al. (2020). Garlic supplementation and blood pressure. PubMed
  • Ahmadian F. et al. (2017). Garlic for oxidative stress in osteoporosis. NIH
  • Ansary J. et al. (2020). Garlic’s benefits from human trials. PubMed
  • Rouf F. et al. (2020). Antiviral properties of garlic. NIH
  • Matsutomo T. (2019). Garlic vs. hypertension medication. NIH
  • Tedeschi P. et al. (2022). Allicin & Alzheimer’s protection. NIH