Lentils: small legumes, great benefits

 

Said Aristippus, “If you would learn to be subservient to the king, you would not have to live on lentils.”

Said Diogenes, “Learn to live on lentils, and you will not have to cultivate the king.”

 

Lentils (Lens culinaris) are a nutritional powerhouse. These little legumes have been around forever (evidence of consumption in 7000 BCE!). They were a staple food for the Egyptians, Greeks and Romans and remain so in many countries today.

As a rich source of plant-based protein and nutrients, lentils offer substantial benefits for dogs, including protein, fibre, antioxidants, vitamins (B complex), and minerals (iron, phosphorus, potassium, copper). These nutrients support digestive health, provide essential proteins for muscle maintenance, contribute to heart health, and aid in weight management.

Little wonder, then, that they are so popular in commercial dog foods and home-made diets.

Nutrient Breakdown:

Protein

Lentils are rich in plant-based protein, which is essential for muscle maintenance, growth, and overall body function in dogs. Protein from lentils can complement animal protein sources in balanced diets for dogs, providing essential amino acids like lysine. Because sogs cannot produce lysine they must obtain it from their diet.

Fibre

Lentils contain a significant amount of dietary fibre, which contributes to digestive health. Fibre helps regulate bowel movements, prevent constipation, and support gastrointestinal function in dogs. It can also aid in weight management (see below).

Vitamins

Lentils provide several vitamins important for canine health:
Vitamin B1 (Thiamine)
Thiamine has a critical role in energy metabolism and proper nerve function.
Vitamin B6
Essential for protein metabolism and nervous system health.
Folate (Vitamin B9)
Folate is important for blood cell formation and cell division and for the repair and synthesis of DNA.

Minerals

Key minerals found in lentils include:
Iron: Necessary for oxygen transport in the blood and overall metabolism.
Phosphorus: Vital for bone health and energy metabolism.
Potassium: Supports proper muscle function and electrolyte balance.

Antioxidants

Lentils contain phenolic compounds, which can neutralize free radicals and reduce oxidative stress, and are said to reduce the risk of inflammatory diseases such as cardiovascular disease and arthritis and even protect against neurodegenerative diseases. These compounds contribute to overall cellular health and may help prevent chronic diseases associated with inflammation.

Benefits – Key Takeaways

Digestive Health Support

High fibre in lentils offers significant benefits for gut health. Dietary fibre helps regulate bowel movements, preventing constipation and promoting regularity. It acts as a prebiotic, feeding beneficial gut bacteria, which supports a healthy microbiome and enhances digestion.
Fibre also aids in controlling blood sugar levels and can help with weight management by promoting a feeling of fullness. Overall, the inclusion of high-fibre foods like lentils in a dog’s diet can lead to improved digestive health, better nutrient absorption, and enhanced overall well-being.

Energy and Vitality

Due to their high content of complex carbohydrates and fibre, lentils are known for their ability to provides slow-release energy. The complex carbohydrates take longer to break down and digests; the slow digestion process helps to maintain steady blood glucose levels, providing sustained energy. The combination of protein, vitamins (B complex), and minerals in lentils supports overall energy production and vitality. 

Heart Health

Lentils’ low-fat content, coupled with potassium and fibre, supports cardiovascular health in dogs. These nutrients contribute to maintaining healthy blood pressure levels and reducing the risk of heart disease. 

Weight Management

The high fibre content and soluble fibre in particular slows the absorption of sugar. This results in a more gradual release of energy, keeping the dog feeling full for longer.

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Want to know more? These studies might be useful:

  • Quilliam C, Ren Y, Morris T, Ai Y, Weber LP. The Effects of 7 Days of Feeding Pulse-Based Diets on Digestibility, Glycemic Response and Taurine Levels in Domestic Dogs. Front Vet Sci. 2021 May 5;8:654223. doi: 10.3389/fvets.2021.654223. PMID: 34026892; PMCID: PMC8131660.
  • Reilly LM, He F, Rodriguez-Zas SL, Southey BR, Hoke JM, Davenport GM, de Godoy MRC. Use of Legumes and Yeast as Novel Dietary Protein Sources in Extruded Canine Diets. Front Vet Sci. 2021 Jun 4;8:667642. doi: 10.3389/fvets.2021.667642. PMID: 34150888; PMCID: PMC8212060.
  • Reilly LM, He F, Clark L, de Godoy MRC. Longitudinal assessment of taurine and amino acid concentrations in dogs fed a green lentil diet. J Anim Sci. 2021 Nov 1;99(11):skab315. doi: 10.1093/jas/skab315. PMID: 34747447; PMCID: PMC8763241.

 

Nutritional information:

Lentils, dried, 100 g

For full nutrient content see Food Data Central


Important Considerations:

  • Always consult your veterinarian before making any significant dietary changes, particularly where there are pre-existing health conditions or dietary restrictions.
  • If you are feeding commercial food, check the label for ingredients before giving more. Excessive intake of any foods can have adverse effects.
  • Ensure (where possible) that you use high-quality, organic products specifically formulated for pets (or better still, human grade ingredients) to avoid any potential adverse effects.
  • Introduce new foods gradually to avoid adverse effects such as gastrointestinal upset or diarrhoea.
  • I provide nutritional information purely as a helpful guide. Nutritional information on ingredients is obtained from the US Department of Agriculture’s FoodData Central site (https://fdc.nal.usda.gov/index.html) and any nutritional information provided in recipes is based on an online calculator: calories and other information will vary based on brands, ingredients and other factors.
  • Check nutrient levels and recommendations for your dog’s weight, age and activity. For example this nutritional guideline produced by FEDIAF.
  • I am not a professional canine nutritionist but supporting research is cited.
  • The recipes shared were created by me and tested in my kitchen – and tasted and approved by our doggy friends!