For over a decade, wellness culture was caught in an obsession over protein. Today, food packaging often reflects this protein fixation, found in everything from cereal to breads and smoothies.
This year, however, marks the start of a shift in nutrition priorities—and this time, it’s grounded in science.
The Protein Craze: Addressing a Problem That Never Existed
The fact is that the vast majority of the population is actually fibre-deficient, with those not getting enough protein representing a low single-digit percentage.
According to clinical reviews aggregated by Dr. Michael Greger [1]:
Over 95% to 97% of Americans fail to hit even the modest recommended minimum of daily dietary fibre (25 grams for women, 38 grams for men) [2].
The average daily intake hovers around a meagre 15 grams [2].
While we fixate on protein and neglect adequate fibre, we are starving the cornerstone of our immune system, metabolism, and mental well-being via the gut microbiome and the gut-brain axis [3].
Where Do You Get Your Fibre?
Stop looking in the meat or poultry aisle; you will find zero grams of dietary fibre in animal products such as beef, poultry, pork, fish, dairy, or eggs. Try the produce section instead. The evolutionary reality is that all animal tissues are supported by collagen, while plant cells are built of cellulose—also known as fibre.
This is great, albeit not terribly new, news for vegans! However, it assumes you are eating a healthy, whole-food, plant-based (WFPB) diet. Ultra-processed foods and juices don’t offer much fibre, as it gets stripped away during complex industrial processing.
What is so special about fibre, though, and how can it prevent disease?
Arguably, the greatest physiological impact of adequate fibre intake is on the gut, which in turn can lead to a reduction in Type 2 diabetes and bowel cancers. Here is how:
1. Microbiome Fuel and Short-Chain Fatty Acids (SCFAs), a.k.a. Postbiotics
Humans lack the digestive enzymes to break down complex plant fibres in the small intestine. Instead, these fibres travel intact to the colon, serving as a feast for our symbiotic gut microbiota. Through fermentation, beneficial bacteria convert prebiotic fibre into short-chain fatty acids (SCFAs)—principally acetate, propionate, and butyrate [4].
Butyrate is the primary energy source for your colonocytes (the cells lining your colon). It seals tight junctions, prevents bacterial endotoxins from leaking into circulation, and actively quiets systemic inflammation.
Propionate and Acetate travel via portal circulation to regulate liver lipid metabolism, lower circulating free fatty acids, and communicate with the brain to balance appetite.
2. Guarding Against Chronic Disease
A mountain of epidemiological research links high-fibre diets to significant reductions in major lifestyle diseases [5]:
Cardiovascular Disease & Stroke: Viscous, soluble fibres bind to bile acids in the digestive tract, carrying them out of the body and forcing the liver to clear circulating LDL cholesterol.
Colorectal Cancer: Fibre accelerates transit time, dilutes carcinogens in the stool, and creates an acidic colonic pH that suppresses harmful pathogen growth.
Metabolic Syndrome & Type 2 Diabetes: Fibre creates a gel-like barrier that slows enzymatic starch breakdown, flattening postprandial blood glucose spikes and enhancing peripheral insulin sensitivity. This also helps protect the intestines against leaky gut syndrome, which in some cases—myself included—can trigger autoimmune disorders.
High-Fibre Favourites to Cook on CuisineSavvy
Eating for your gut should never taste like a prescription. At CuisineSavvy, our culinary philosophy has always focused on texture, bright acid, savoury depth, and vibrant colours.
Here are four reader-favourite, fibre-dense recipes straight from our archives:
Avocado Quinoa Over Toast (~12g fibre per serving): A kale and quinoa salad with chickpeas, red bell pepper, and avocado, served over a slice of homemade high-fibre toast.
Brazilian Black Beans with Winter Greens and Farofa (~19g fibre per serving): Smoky black beans cooked with vegan chorizo, leeks, carrots, and smoked paprika, served alongside fluffy brown rice and topped with a toasted cashew and raisin farofa.
Ranch-Style Black Beans with Tofu Scramble (~16g fibre per serving): A vibrant plant-based take on the classic Mexican breakfast dish, featuring seasoned tofu scramble atop warm tortillas with spiced black beans, fresh salsa, and creamy avocado.
Flex the Flax Oatmeal (~10g fibre per serving): A brain-boosting bowl of rolled oats cooked in almond milk, packed with ground flaxseeds, chia seeds, and hemp seeds, topped with chopped walnuts and sweet blueberries.
Changing habits can be hard. But if you start by fibermaxxing your breakfast—the meal that can have the biggest impact—you will be well on your way to joining the roughly 3% to 5% of the population who actually meet their minimum daily fibre requirements.
Hopefully, the recipe suggestions above will get you well on your way. If they aren’t to your liking, try browsing our high-fibre recipes collection.
References
Greger, M. (2015). How Not to Die. Flatiron Books / NutritionFacts.org.
Quagliani, D., & Felt-Gunderson, P. (2016). Closing America's Fiber Intake Gap. American Journal of Lifestyle Medicine.
Cryan, J. F., et al. (2019). The Microbiota-Gut-Brain Axis. Physiological Reviews.
Koh, A., et al. (2016). From Dietary Fiber to Host Physiology: Short-Chain Fatty Acids as Key Bacterial Metabolites. Cell.
Reynolds, A., et al. (2019). Carbohydrate quality and human health: a series of systematic reviews and meta-analyses. The Lancet.