Onion and garlic are culinary staples worldwide, but in some Hindu traditions, they’re seen as detrimental to spiritual practice. This article separates fact from fiction, exploring the health aspects and cultural beliefs surrounding these flavorful ingredients.

Health benefits as per research 

Packed with Nutrients: Onions offer vitamins C, B6, potassium, and folate. Garlic boasts those, plus manganese, calcium, and copper. Both are low-calorie flavor enhancers.

Heart Health and Cancer Prevention: Onions and garlic contain antioxidants and anti-inflammatory compounds potentially reducing heart disease and certain cancer risks.

Other Benefits: They may aid blood sugar control, bone density, and digestion, boost immunity, and have antimicrobial properties.

Potential drawbacks

Digestive Issues: For some, onions and garlic cause gas, bloating (especially raw), and may worsen IBS (Irritable Bowel Syndrome).

Bad breath: The sulphur compounds responsible for their flavour can also cause noticeable breath odour.

Medication interactions: Consult a doctor if you take blood thinners, as garlic can interfere with their effectiveness.

Benefits and drawbacks of eating Onion and Garlic. Designed by: HoA/Ajay Ghoshal

What do experts say? 

In Hindu philosophy, foods are categorized as Sattvic, Rajasic, or Tamasic based on their impact on the mind and body.  Sattvic foods, like cow milk or ghee, promote calmness, focus, and clarity of thought. Rajasic foods, such as excessive spices, can lead to agitation, anger, or impulsivity.  Tamasic foods induce lethargy, cravings, and dullness, and include examples like heavy meats, alcohol, or drugs.

 “Categorizing food as Sattvic, Tamasic, Rajasic etc. can be subjective.”- Janardhana V Hebbar, Ayurvedic Doctor 

Ayurvedic doctor Janardhana V Hebbar emphasizes the subjective nature of these categories: “Categorizing food as Sattvic, Tamasic, Rajasic etc. can be subjective.”  He uses onion and garlic to illustrate this –  while some consider them Rajasic or Tamasic, they may offer health benefits to others.

“There is no scientific data to prove that onion and garlic cause adverse effects on spiritual or mental well-being.”- Avni Kaul, Delhi-based nutritionist.

While some Hindu leaders discourage onion and garlic for spiritual reasons, Dr. Hebbar clarifies, “There are no specific adverse effects of onion and garlic on health.”  He does note that excess garlic might exacerbate gastritis or similar conditions. Perhaps, inner turmoil is often a greater spiritual concern than specific dietary choices.

Avni Kaul, a leading Delhi-based nutritionist, addresses a common misconception: “One common myth… is that [onion and garlic] cause adverse effects on spiritual or mental well-being.”  While certain cultures may hold this belief,  she emphasizes that “scientific evidence does not support this notion.” Instead, onion and garlic offer numerous health benefits when consumed in moderation.

“Onion and garlic are revered in South Asian and Mediterranean cuisine for their culinary versatility and health benefits”- Shikha Agarwal, a senior nutritionist.

These benefits include antioxidants and compounds that fight inflammation, potentially improving heart health, boosting immunity, and even offering cancer-protective effects. However, Kaul notes that excessive intake could cause digestive discomfort, especially for those with sensitivities.  Additionally, some people experience allergic reactions or notice bad breath after eating raw onion and garlic.

Shikha Agarwal, a senior nutritionist, agrees that onion and garlic are often misunderstood. “Onion and garlic… have faced a unique interpretation within certain cultural contexts, notably in Hindu culture,” she observes,  pointing to the tension between their health benefits and traditional beliefs.

Culturally, she explains that their pungent nature leads to avoidance in some Hindu and Jain practices due to a belief they are “tamasic” and interfere with spiritual focus. Agarwal contrasts this with the reverence they receive in other regions, particularly throughout South Asia and the Mediterranean, where they are valued for their culinary versatility and health benefits.

Feature image designed by: HoA/Ajay Ghoshal