Ep. 7: Carbs vs. Fats and General Macronutrient Guidelines

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In this episode we discuss:

  • Carbs vs. fats in terms of energy and hormones
  • Why we don’t want to be only “fat-burners”
  • Why adequate CO2 production is necessary for energy balance
  • Why it’s okay, or even optimal, to eat carbs and fats together
  • Misapplications of the Randle Cycle and the role of fuel partitioning
  • The importance of both carbs and fats for hormones, digestion, and structure
  • How much of the different macronutrients we should be eating for optimal health

1:33 – carbs vs. fats (introduction and effects on hormones)

14:46 – carbs vs fats (energetic effects)

24:38 – CO2 is not a waste product; the importance of CO2 for energy balance

33:21 – the roles for both carb and fat oxidation; the Randle Cycle and fuel partitioning

46:29 – other reasons why we need carbs and fats (hormones, digestion, structure)

54:45 – protein functions

56:31 – general macronutrient guidelines

Links from this episode

  • Michael W. Thayer
    Posted at 22:23h, 18 June Reply

    Very helpful! I learned a lot on how FATS are so essential and the properties of coconut oil . The carb load of up to 300 grams is startling to me for all the “gurus’ I have read up until now (Ken Berry, Dave Asprey, Thomas Delauer,). But the science does not lie. The Keto bandwagon is just that…it seems to be a kind of nutritional snobbery with IF added to the mix. I have done IF….effortlessly…I found it a useful catalyst for my big weight loss and restricted window eating still makes some sense to me…but the useful role of carbs…I was told these were unnecessary. I heard the quote “there are essential amino acids (protein); essential fatty acids…but no essential carbohydrate” so I just accepted carbs were a drug to me tightly controlled if not eliminated. I sank to 50 grams or so for periods but no further. However, adding honey, fruit recently…I feel great!

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