Body Handbook Catalogue Profile Ranking
Food BODY HANDBOOK
Food ยท ยง269
Edible Insects (Crickets and Mealworms)
Two billion people eat insects; only part of the world treats it as strange. A daily scoop of cricket powder, stirred into a smoothie or baked into pancakes, is a complete animal protein carrying a full day's B12 and iron that absorbs like beef, at roughly a hundredth of beef's carbon cost. Two weeks of it visibly shifts your gut bacteria. The one real catch is printed on every EU package: if shrimp or dust mites set off your immune system, crickets will too.
Do ยท Daily Evidence Emerging Chapter Food

A dried cricket is about two-thirds protein by weight, closer to chicken than to any plant, and it carries all nine essential amino acids in adequate ratios 1. On the modern protein-quality scale, cricket and mealworm flour land beside milk and egg, well above pea or wheat 2.

Iron is the surprise. Fed to human gut cells, iron uptake from cricket, mealworm, and locust matched or beat sirloin beef 3. The B12 is real: bacteria in the insect's gut make the same molecule they make inside a cow 4.

The gut effect is the odd one. Twenty healthy adults eating 25 g of cricket powder a day for two weeks grew nearly six times more Bifidobacterium and dropped a blood inflammation marker, with no side effects at any dose 5. The active fraction is chitin, the exoskeleton fibre your bacteria ferment; strip it out and the effect goes with it 6.

Buy the flour, not the snack. Cricket-flavoured chips carry a few percent cricket by weight; the microbiome dose needs concentrated intake.

What a daily scoop buys you.

  • Week two: your gut bacteria have shifted, measurably, though you won't feel it 5. If your iron ran low from cutting red meat, the scoop holds it steady.
  • Over a year: swapping a kilogram of beef a week saves carbon on the order of a transatlantic flight you didn't take 7.
  • The real payoff isn't in your body. It's a complete-protein answer to "I'd eat less red meat if there were a good substitute."

Cricket powder runs about $50โ€“100 a kilogram, so a daily scoop costs roughly $1โ€“2.50, near a whey habit and above eggs. It keeps a year sealed in the pantry, and its mild earthy flavour vanishes in baking.

The fine print โ€” when to skip it, and what people get wrong

Allergic to shrimp, crab, lobster, or dust mites? Crickets share the proteins your immune system reacts to, and the first exposure is the dangerous one. Don't test it yourself; ask an allergist about a supervised challenge 89. With IBD, clear chitin with your gastroenterologist first.

"Insect protein is incomplete." Insects are animals and carry all nine essential amino acids 1. "Zero environmental impact." Far below beef, but a closer fight against chicken, tighter still when insects are grain-fed 10.

Two ways it fails: disgust sends you back to chicken at the shop 11 (powder in familiar food beats the roasted skewer), and grazing on flavoured chips never reaches the 25 g dose. Put the powder in something you eat by volume.

References
  1. 1van Huis et al. (2013). Edible insects: future prospects for food and feed security (FAO Forestry Paper 171). link
  2. 2Van de Walle et al. (2023). Mealworm larvae (Tenebrio molitor) and crickets (Acheta domesticus) show high total protein in vitro digestibility and can provide good-to-excellent protein quality as determined by in vitro DIAAS. Frontiers in Nutrition. link
  3. 3Latunde-Dada et al. (2016). In Vitro Iron Availability from Insects and Sirloin Beef. Journal of Agricultural and Food Chemistry. link
  4. 4Mlcek et al. (2014). A review of the nutritional value of edible insects and their effect on human health. Central European Journal of Public Health. link
  5. 5Stull et al. (2018). Impact of Edible Cricket Consumption on Gut Microbiota in Healthy Adults, a Double-blind, Randomized Crossover Trial. Scientific Reports. link
  6. 6Borges et al. (2024). Chitin and omega-3 fatty acids in edible insects have underexplored benefits for the gut microbiome and human health. Nature Food. link
  7. 7Smetana et al. (2016). Sustainability of insect use for feed and food: life cycle assessment perspective. Journal of Cleaner Production. link
  8. 8Ribeiro et al. (2018). Allergic risks of consuming edible insects: A systematic review. Molecular Nutrition & Food Research. link
  9. 9EFSA (2022). Safety of partially defatted house cricket (Acheta domesticus) powder as a novel food pursuant to Regulation (EU) 2015/2283. EFSA Journal. link
  10. 10Oonincx et al. (2010). An Exploration on Greenhouse Gas and Ammonia Production by Insect Species Suitable for Animal or Human Consumption. PLOS ONE. link
  11. 11Hartmann & Siegrist (2015). Becoming an insectivore: Results of an experiment. Food Quality and Preference. link
ยท
269