Catharine Arnston didn't start out as a scientist. She was a Canadian-born business executive turned interior design publisher who stumbled into the world of nutrition after her sister was diagnosed with breast cancer. Seventeen years later, she has a PhD in biology, runs ENERGYbits, and is one of the most compelling voices on algae, mitochondrial health, and what it actually takes to age well without a medicine cabinet full of supplements. This one goes deep. Josiah and Catharine cover everything from the science of how your cells generate energy to why most spirulina on the market is basically worthless. If you've ever been confused about peptides, mitochondria, or why your energy tanks after 40, this episode breaks it down in plain language. Timestamps: 0:00 - Welcome and intro 0:27 - Catharine's origin story: growing up without money, without parents, and learning early to make things happen 4:23 - The hard times that build driven people, and the challenge of raising kids in abundance when struggle made you who you are 7:57 - The hidden cost of always going it alone: why never asking for help is actually a weakness 9:08 - How a sister's breast cancer diagnosis sent Catharine down a rabbit hole that completely changed her life 12:54 - Teaching herself plant-based nutrition, discovering PubMed, and eventually landing on algae as the answer 17:21 - Blue Zones, simplicity, and why the habits that help people live to 90 aren't complicated or expensive 20:56 - The mitochondria explained: what they are, how they generate energy, and why they start breaking down after 40 24:14 - The electron transport chain, free radicals, and the antioxidant your body stops making as you age 29:17 - Why spirulina specifically targets mitochondria, and why most spirulina products have had the most important part cooked out of them 31:46 - The spiritual angle: the ancient connection between spirulina and the very cell structures keeping you alive 33:55 - Endosymbiotic theory explained: how your mitochondria literally evolved from algae, and why that matters 38:43 - Chlorella, gut health, constipation, bowel detox, and why your colon is more important than anyone wants to talk about 44:52 - A simple, cheap tip for constipation that works better than anything in the drugstore aisle 47:34 - How to actually use spirulina and chlorella: timing, quantities, what to swallow vs. chew, and what supplements you can probably stop buying 51:03 - Fasting and algae: why they work well together and how to use chlorella to support a deeper night's sleep 55:49 - Catharine at 70 with no medications, no Botox, writing a book, running a company, and aging in reverse 57:22 - Why the "shiny object" supplement cycle is mostly noise, and why something four billion years old keeps outperforming the new stuff 59:18 - What Catharine is working toward: a New York Times bestseller, algae on the food pyramid, and an algae farming industry in America Get ENERGYbits products with code TTT Learn more about your ad choices. Visit megaphone.fm/adchoices
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