Society considers a vegan diet a “healthy” lifestyle choice (both for humans and the environment). But is it? Some of the most severe and chronic health conditions I see are often connected to current or past veganism.

The science is convincing; vegans are far more likely to present with a number of key nutritional deficiencies compared to omnivores, particularly B12, omega 3 essential fats, choline and bioavailable forms of calcium, iron, zinc, vitamin A and D. Our cells require optimal nutrient levels to function. When cells malfunction, we develop disease.

Our digestive system closely resembles other predatory animals’ and is designed to break down animal protein with stomach acid. Herbivores do not produce stomach acid. Plants are difficult to break down, which is why herbivores have a special stomach (a rumen) containing significant quantities of bacteria whose sole purpose is to release nutrients. If you watch a cow eating, you’ll notice grass is regurgitated multiple times – “chewing the cud”. The human digestive system has very few bacteria in the stomach (stomach acid is very hostile to gut bacteria), with the vast majority residing in our version of a rumen, the colon (which is as far away from the stomach as possible) and located after the small intestine, the key part of the digestive system that absorbs nutrients (in herbivores the rumen is before the small intestine). We are designed to absorb the vast majority of our nutrients from foods broken down in the upper digestive systems (animal proteins/fats), with indigestible plant matter passed to the colon, where the gut bacteria get to work and produce a raft of essential metabolic by-products that we have discussed and confer considerable health benefits.

I’m not advocating we eat lots of animal protein; it should be the “garnish” with veg centre stage! I’m pointing out that abstaining from all animal protein is not “healthy”. A vegan diet is essentially a form of fasting.

Call Mark BSc (Hons) BA (Hons) mBANT CNHC on 0118 321 9533 or visit www.entirewellbeing.com

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