Before you get too far down the rabbit hole, I’d like to propose a few definitions to set a baseline for context.
Vegan – a lifestyle based on the commitment not to use any animal products or by-products in anything used in daily life (i.e. food, clothing, cleaning products, personal care products, etc.). It is the single most impactful choice one can make to reduce their carbon footprint.
On this site, I do use vegan to refer to processed foods that are plant-based. It’s an easy way to identify a plant-based food, given that all manufacturers don’t use “plant-based” in their labeling and stuck with vegan or vegan certified.
Plant-Based – this refers solely to the ingredients with which something is made (i.e. the product contains no animal products or by-products). Also, if one observes a plant-based diet, they only consume plant-based products and actual produce. It does not imply they also avoid animal products or by-products in other areas of life. This is not the environmental statement made by choosing to be vegan.
For the purposes of this information,I will tend towards using “plant-based” more than “vegan”, especially when referring to cleaning eating, health, and food in general.
Being vegan is phenomenal and I support it 100%, and for those who are not ready for that plunge, I also support you 100% in exploring a plant-based diet and see where that takes you.
Bioavailability – the proportion of a drug or other substance that enters the circulation when introduced into the body and so is able to have an active effect. That means when you eat something, all the nutrients contained in that food can immediately be absorbed and used by your body to do good stuff. They get to pass go and collect $200, no holdups or side trips.
Diet – what a species eats naturally on a regular basis. I do not believe in diets like South Beach, Atkins, Paleo, etc. When I say “diet” I mean what you should be eating all the time as a lifestyle, not what you should be eating temporarily for a short term outcome.