Leena Watts
Folate, also known as vitamin B9 or folic acid, is a water-soluble vitamin that is important for the metabolism of protein and the synthesis of DNA and RNA. Folate can be found in many foods and is also available as a dietary supplement. Dogs can become deficient in folate due to small intestinal disease, pancreatic insufficiency, or the chronic use of certain medications. Symptoms of folate deficiency include diarrhoea, sickness, weight loss, bloating, and constipation. If you think your dog may be folate deficient, consult your veterinarian, who may recommend a folic acid supplement or a diet rich in natural folates.
| Characteristics | Values |
|---|---|
| Folate | A water-soluble B vitamin (B9) |
| Folic acid | The fully oxidized monoglutamate form of the vitamin that is used in fortified foods and most dietary supplements |
| Folate deficiency | Can result from a diet low in naturally occurring folates, small intestinal disease, or pancreatic insufficiency |
| Folic acid deficiency | Can occur due to chronic use of certain medications such as trimethoprim |
| Folate sources | Can be found naturally in some foods, added to others, or taken as a dietary supplement |
| Folic acid sources | Found in fortified foods and dietary supplements |
| Folate functions | Assists enzymes in catalyzing reactions, important for normal blood formation, immune function, cell division, and tissue growth |
| Folic acid functions | Necessary for normal metabolic functions such as DNA synthesis and red blood cell production |
| Folate and pregnancy | Folate deficiency in pregnant dogs has been linked to birth defects |
| Folate and homocysteine | Helps break down homocysteine, an amino acid that can be harmful in high amounts, into methionine |
| High folate levels | Linked to an increased risk of certain cancers and cardiovascular disease |
| Excess folic acid | Can lead to unmetabolized folic acid (UMFA) in the blood, associated with health concerns like insulin resistance and cognitive issues |
| Folate supplementation | May be recommended for dogs with a folate deficiency, but should be managed by a veterinarian |
| Folate and genetics | Supplementation is ideally methylated folate to bypass potential genetic glitches affecting folate metabolism |
| Folate absorption | Occurs mainly in the small intestine, so intestinal dysfunction or inflammation can lead to malabsorption |
| Folate and digestive issues | Digestive dysfunction can affect nutrient utilization, including folate; addressing this is essential |
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What You'll Learn
Folate-rich foods
Folate, or vitamin B9, is a water-soluble vitamin that is naturally present in some foods, added to others, and available as a dietary supplement. Folate is important for the metabolism of protein, as it aids the formation of DNA and RNA. It is also important to break down homocysteine into methionine in the body, an amino acid that can be harmful in high amounts.
Folate can be found in a lot of foods, including spinach, from which folates were first isolated, and eggs. Marmite, a spread made from yeast extract, is also a source of folate and was found to cure macrocytic anaemia in pregnant women in 1930.
Folic acid is the synthetic form of folate and is used in fortified foods and most dietary supplements. It has a higher rate of absorption than naturally occurring folate. If your dog is suffering from digestive issues, it may affect how well they can utilise nutrients, so tackling this is essential. Folate deficiency is often seen in cases of inflammatory bowel disease and pancreatic dysfunction.
If there are no genetic glitches that affect how well your dog metabolises folate, then feeding a nutrient-dense, fresh food diet should be sufficient.
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Folic acid supplements
Folic acid, also known as vitamin B9, is a crucial supplement for dogs. It is the synthetic version of folate, a naturally occurring vitamin found in foods like seafood and greens. Folic acid is necessary for normal metabolic functions such as DNA synthesis and red blood cell production. It is also important for the development and well-being of dogs, especially during pregnancy, as it can help prevent birth defects.
The recommended daily intake of folic acid for dogs depends on various factors, including their life stage, size, and diet. As a general guideline, vets suggest providing 0.05 to 0.14 mg (50 - 140 micrograms) per lb of body weight. However, it is always best to consult your veterinarian to determine the appropriate dosage for your dog's specific needs. Folate and cobalamin levels should be measured prior to and after treatment with folic acid to ensure supplementation is necessary and effective.
It is important to note that folic acid should not be administered to pets with a known sensitivity to it. Additionally, certain medications should be used with caution when given in conjunction with folic acid, including chloramphenicol, methotrexate, trimethoprim, pyrimethamine, phenytoin, phenobarbital, sulfasalazine, and primidone. Always inform your veterinarian about any medications, vitamins, supplements, or herbal therapies your pet is taking to ensure safe and effective treatment.
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Natural vs synthetic folate
Folate is a water-soluble B vitamin (vitamin B9) that is naturally present in some foods, added to others, and available as a dietary supplement. Folate is the natural form, while folic acid is the synthetic form. The name folate is derived from the Latin word "folium," meaning leaf, as leafy vegetables are among the best dietary sources of folate.
Folate is a generic term for naturally occurring food folates. It was previously known as folacin. Folic acid is the fully oxidized monoglutamate form of the vitamin used in fortified foods and most dietary supplements. In 1930, Lucy Wills discovered that Marmite could cure macrocytic anaemia in pregnant women, highlighting the importance of folate for health, particularly for maternal health and foetal development.
Folic acid is commonly found in supplements and fortified foods where a nutrient has been added to a food product. For example, commercially mass-produced bread and breakfast cereals may lack naturally occurring folate, so companies add synthetic folic acid to enhance their nutritional profile. Folic acid is also stable and heat-resistant, making it favourable in manufacturing and processing.
Synthetic folic acid is an isolated nutrient without the co-factors found in natural food folates, such as fatty acids, proteins, and enzymes. These co-factors act as teammates to help the nutrient reach its destination in the body. Natural food folates contain Carrier Food Factors (CFFs), a type of carrier protein that communicates with the body on a cellular level to instruct how, where, and when nutrients are used. CFFs recognise specific addresses within the body's cells and deliver the nutrient to the correct destination.
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Folate deficiency causes
Folate, also known as vitamin B9, is a crucial nutrient for dogs' health. Folate deficiency in dogs can have several causes, and it is important to understand these causes to ensure your dog maintains a healthy level of this vital nutrient.
One of the primary causes of folate deficiency in dogs is a diet low in naturally occurring folates. Folate is found naturally in some foods and is also added to others. Ensuring your dog's diet includes folate-rich foods is essential to preventing deficiency.
However, folate deficiency in dogs is often associated with specific health conditions. Small intestinal disease or dysfunction, such as inflammatory bowel disease, can lead to folate deficiency due to malabsorption in the small intestine, which is where folate is chiefly absorbed. Additionally, pancreatic insufficiency or dysfunction, such as exocrine pancreatic insufficiency, can also cause folate deficiency as the pancreas plays a crucial role in the digestion and absorption of folate.
Chronic use of certain medications can also lead to folate deficiency in dogs. Medications like trimethoprim and other antibiotics can interfere with folate absorption or metabolism. Furthermore, genetic factors may also contribute to folate deficiency. Some dogs may have genetic glitches that affect how well they metabolise and utilise folate, similar to the MTHFR gene mutation seen in humans.
It is important to note that folate deficiency can have adverse effects on your dog's health. Low folate levels can cause megaloblastic anaemia, where red blood cells are larger than normal and unable to leave the bone marrow, leading to a reduced ability to deliver oxygen throughout the body. Therefore, it is crucial to ensure your dog's diet includes sufficient folate or folic acid, the synthetic form of folate found in dietary supplements. Consulting with your veterinarian is always recommended to determine the best course of action to increase folate in your dog's diet and maintain their overall health.
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Folate overdose dangers
Folate, also known as vitamin B9, is an essential nutrient for dogs. It is necessary for normal metabolic functions such as DNA synthesis and red blood cell production. While folate deficiency can have adverse effects on a dog's health, it is important to note that an overdose of folate also poses certain dangers.
Folate overdose, or hyperfolatemia, can occur when a dog's diet is supplemented with excessive folic acid. This condition is typically characterized by abnormally high levels of folate in the blood. While it is not inherently toxic, hyperfolatemia can have negative consequences for the dog's health.
One of the primary dangers of folate overdose is that it can mask a B12 deficiency. B12, or cobalamin, is another essential vitamin for dogs, and a deficiency can lead to serious health issues. By supplementing with excessive folic acid, the true B12 status may be obscured, delaying the diagnosis and treatment of a B12 deficiency.
Additionally, folate overdose may interact with certain medications. Drugs such as chloramphenicol, methotrexate, trimethoprim, and phenytoin, among others, can potentially have adverse interactions with high folate levels. These interactions can affect the efficacy of the medication or lead to unexpected side effects. Therefore, it is crucial to consult a veterinarian before administering any supplements and to disclose all medications the dog is currently taking.
Furthermore, while rare, there is a risk of allergic reaction or sensitivity to folic acid supplements. In some cases, this may lead to anaphylaxis, a life-threatening emergency requiring immediate veterinary attention. It is important for dog owners to monitor their pets for any signs of adverse reactions and to contact their veterinary office if any concerns arise.
In conclusion, while folate is an essential nutrient for dogs, an overdose can pose certain dangers. Therefore, it is crucial to carefully follow the directions and recommendations of a veterinarian when supplementing a dog's diet with folic acid.
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Frequently asked questions
Folate, also known as vitamin B9 or folic acid, is a water-soluble vitamin that is important for the metabolism of protein, as it aids the formation of DNA and RNA. Folate also helps break down homocysteine into methionine in the body, an amino acid that can be harmful in high amounts. Folic acid is the synthetic form of folate and is used in fortified foods and most dietary supplements. Folate deficiency in dogs has been linked to birth defects.
Folate can be found in many foods, including eggs, nuts, and spinach. If your dog is a picky eater, you can try adding a folate supplement to their food or giving them a tablet. It is important to follow your veterinarian's directions and cautions when giving your dog any supplements.
The symptoms of folate deficiency in dogs are subtle and may go unrecognized. However, they can include diarrhoea, sickness, weight loss, bloating, and constipation. Folate deficiency is often seen in cases of inflammatory bowel disease and pancreatic dysfunction.
