Author: scepticaldoctor

  • The Top Ten Sources of Plant Protein (per portion)

    The Top Ten Sources of Plant Protein (per portion)

    In order to create a list such as this, one has to consider what metric to use. There are, I think, four main contenders for grading “protein sources…

  • Is there value in combining “complementary” plant proteins?

    Is there value in combining “complementary” plant proteins?

    Is there value in eating hummus with pita bread? Yes, absolutely… it’s delicious! Ditto rice and beans; bean burgers in a bun; beans on toast; lentil & nut roasts and so on. But in this blog…

  • The Best (& Worst!) Animal-free Sources of Calcium.

    The Best (& Worst!) Animal-free Sources of Calcium.

    here is a great deal of confusion about which animal-free foods are good sources of calcium. The main problem: low calcium plant-based foods are routinely promoted as being high in…

  • Are Tofu & Plant Milks A Poor Source of Bioavailable Calcium?

    Are Tofu & Plant Milks A Poor Source of Bioavailable Calcium?

    A recently published study has concluded that the calcium in plant-based foods may not be bioavailable1. Now the idea that calcium in whole plant foods tend to be low in bioavailable calcium is nothing new. Many (but not all) unrefined plant foods are either low in calcium or high in anti-nutrients that block calcium absorption. However…

  • 5 Reasons Why The Concept Of Ultra-Processed Foods Is Unhelpful

    5 Reasons Why The Concept Of Ultra-Processed Foods Is Unhelpful

    Oftentimes “ultra-processed food” is assumed to be a synonym for “junk food”. But this is a misconception. To understand why, let’s look at some rough definitions: …

  • Should Vegans Eat Above The RDA For Iron?

    Should Vegans Eat Above The RDA For Iron?

    Iron is a vital mineral for oxygen transportation and energy production. It’s well-known that insufficient intake of iron can lead to iron deficiency anaemia. This condition causes symptoms such as lethargy, poor concentrations, pale skin, fragile nails and so on…

  • 5 Healthy Animal-Free Diets

    5 Healthy Animal-Free Diets

    There are various ways of going about an animal-free diet and they will vary considerably in their capacity to meet nutrient needs and reduce the risk of chronic diseases. As a rule of thumb, the extent to which a diet aligns with national dietary guidelines is an indication of its healthfulness. Dietary guidelines in Europe and America…

  • Is The Lack Of Dietary Collagen A Problem For Animal-Free Diets?

    Is The Lack Of Dietary Collagen A Problem For Animal-Free Diets?

    Collagen is a fibre-like structural protein. It forms part of connective tissue, which is figuratively speaking the glue that holds us (and all other animals) together1. Collagen is present throughout the entire body, but accumulates in larger quantities in skin, tendons, bone, cartilage and ligaments. It therefore stands to reason then that collagen is found in animal…

  • Is Seaweed A Good Source Of Iodine?

    Is Seaweed A Good Source Of Iodine?

    Credible dietary organisations have estimated the upper tolerable limit for iodine to be between 600mcg4 & 1100mcg5 per day. However, one serving of seaweed can far exceed these amounts.     One study examined seaweed products available in the UK…

  • Should Vegans/Vegetarians Supplement Their Diets With Creatine?

    Should Vegans/Vegetarians Supplement Their Diets With Creatine?

    Creatine is a nonprotein compound which plays an important role in supplying our tissues with energy during periods of increased demand. It is not an essential nutrient: the human body can make creatine using the amino acids glycine, arginine and methionine as building blocks. Because creatine (in non-negligible quantities) is only found in animal flesh, vegetarians and vegans…