Not Another Nutrition Podcast

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  The 2026 Seed Oil & Inflammation Study Has Been Published! (Ep. 121) 11.03.2026 31min

  Seed oils, linoleic acid, inflammation and oxidized LDL are under fire online, so Martin breaks down a new randomised trial on soybean vs palm oil in real humans with overweight and obesity. Martin walks through a brand new crossover study testing foods fortified with soybean oil versus palm oil, looking at inflammation, oxidized LDL and real-world seed oil intake. Martin explains how the data actually lands when you measure C-reactive protein, IL-6, LPS-binding protein and more in metabolically vulnerable adults.Martin also digs into arachidonic acid, feedback mechanisms, SCD1 activity and the overfeeding literature on polyunsaturated versus saturated fat and fat gain.Martin then tackles the drop in DHA, the Omega-3 to Omega-6 ratio and what that actually means in a practical diet, using a simple “apple maths” analogy to show why adding Omega-3 is far more impactful than obsessively slashing Omega-6.References and links discussed can be found at ⁠www.Martin-MacDonald.com/Ep121TIMEPOINTS00:00 - Intro and why seed oils blew up on social media02:47 - The new soybean vs palm oil trial explained04:27 - Study design, real foods and crossover design10:25 - Inflammation markers, oxidised LDL and what changed12:20 - Linoleic acid => Arachidonic acid19:24 - Seed oils, obesity claims and SCD1 “fat forming” genes21:50 - DHA, Omega-3:Omega-6 ratios and the apple maths27:06 - Demonising foods vs balance and long-term evidence29:20 - Martin’s closing thoughts on seed oil charlatans
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  GLP-1 Weight-Loss Drugs vs Aggressive Dieting: Which is better? (Ep.120) 11.12.2025 44min

  Still think GLP1 injections automatically beat dieting for fat loss? Here is the truth when you actually pit them head to head.In this episode, Martin breaks down a unique new study that directly compares three approaches in people with type 2 diabetes: Semaglutide (a GLP1), an aggressive diet protocol, and a combo of both. He talks through what an Aggressive Diet, when he talks about it, really is (and why it is not a crash diet), why liquid meal replacement protocols are actually the worst version of it, and how his own food-first AD Blueprint fixes those problems.You will hear what the study found on weight loss, fat loss, lean mass, side effects, adherence, diabetes remission and beta cell function. Martin tackles common misconceptions like “GLP1s are the easy way out,” “Aggressive Diets require extreme willpower,” & “Pills do not change habits!” and explains why both GLP1s and Aggressive Diets remove food noise in different ways. He also explores how an aggressive diet for the weight loss phase, followed by carefully dosed GLP1 use, might be a powerful long term maintenance strategy.There is plenty on protein intake, nausea, binge risk, genetics vs willpower, and why education alone will never solve obesity. Martin also shares how his Aggressive Diet Blueprint, Community Support and Weight Loss Maintenance tools compare in cost and outcomes to a typical 12 week GLP1 prescription.References for the studies discussed can be found at www.Martin-MacDonald.com/Ep120You can find out more about Martin’s Aggressive Diet Blueprint Christmas Sale here: https://study-nutrition.com/aggressive-diet-blueprint TIMEPOINTS00:00 - Why compare GLP1s with aggressive diets02:00 - Instagram reactions and what an aggressive diet actually is03:30 - GLP1 conferences, binge eating disorder and clinical nuance05:00 - Visceral anti GLP1 reactions, laziness myths and education limits07:10 - Liquid aggressive diets vs food based protocols and food obsession09:30 - How GLP1s really change calorie intake and under reporting issues13:00 - Do aggressive diets need willpower or do they remove food noise14:00 - Study design in type 2 diabetes and the three intervention groups17:00 - 12 week results for weight loss, fat loss and why combo gives no extra benefit19:00 - Muscle loss fears, nausea, and low protein on GLP1s23:20 - Coaching people on GLP1s and building high protein aggressive diets27:30 - Diabetes remission, beta cell function and a GLP1 plus aggressive diet maintenance idea32:00 - Free education, eating disorders and long term GLP1 questions36:30 - Adherence, cost comparison and why most people misjudge aggressive diets40:30 - Future episodes, menopause myths and closing thoughtsMartin’s Aggressive Diet Blueprint Christmas Sale here: https://study-nutrition.com/aggressive-diet-blueprint
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  #119 - How to get my Aggressive Diet Blueprint & Calculator! Happy New Year! 01.01.2025 21min

  Happy New Year! It's finally ready!Full Details and Pre-sale Availablehttps://study-nutrition.com/aggressive-diet-blueprint References and links discussed can be found at www.Martin-MacDonald.com/Ep119TIMEPOINTS01:13 - What is my Aggressive Diet Blueprint & Calculator? 02:48 - My new Positive Weight Regain Calculator - An industry first! 05:30 - Is it possible to lose 18kg in 14 weeks?08:45 - Do you need a coach to reach your goals12:03 - The Female Nutrition and Health Certification is coming soon 👀15:50 - How to get the Blueprint & Calculator
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  #118: GUEST APPEARANCE - How to Tackle a Big Weight Loss Goal and My Approach to an Aggressive Diet: Interviewed by Body Smart Fitness. 28.05.2024 56min

  Part Two with Body Smart Fitness on how to set realistic attainable goals and the best approach to take when undergoing an aggressive diet.References and links discussed can be found at www.Martin-MacDonald.com/Ep118Interested in getting my updated aggressive dieting calculator? Join the interest list HERE! (⁠https://www.martin-macdonald.com/aggressive-diet-calculator⁠)Want to come to my new aggressive dieting seminar? Join the interest list HERE! (⁠www.martin-macdonald.com/aggressive-diet-coaching-seminar⁠)TIMEPOINTS03:48 - Is slow and steady the best approach to a big weight loss goal?09:23 - The difference between an Aggressive Diet & a crash diet11:47 - How you should change your habits in preparation for an aggressive diet15:00 - The theory behind fat loss and how my aggressive calculator can help you19:32 - Is an aggressive diet harder for some people compared to others? 23:22 - The side effects of an aggressive diet that you think are true but they just aren't.28:34 - Mindset shift before starting an aggressive diet - The multiphasic approach47:10 - Why skipping breakfast during an aggressive diet may be beneficial49:50 - The truth about the 'body positive' circle, are they shaming people when they shouldn’t be?  52:46 - The best approach for setting dieting goals
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  #117: GUEST APPEARANCE - The 'Fat Gene', Metabolic Adaptation and The BS Regarding Personalised Nutrition: Interview with Body Smart Fitness 23.05.2024 1u 21min

  In this week's episode, I am interviewed by Body Smart Fitness, regarding the myths around personalised nutrition, the phenomenon of metabolic adaptation and how menopause is the next “money grab”. We also discuss how genetics impact your fat loss journey and ways to tackle this. References and links discussed can be found at www.Martin-MacDonald.com/Ep117Here’s the link you need for most things! www.Martin-MacDonald.com/Links TIMEPOINTS05:52 - The under under-discussed placebo effect of personalised nutrition 07:42 - Is it harder for some people to lose weight than others?11:54 - Should ANYONE be using a continuous glucose monitor to improve their health?16:34 - Is weight loss good or bad for the gut microbiome? 17:08 - Are your gut bacteria working against your weight loss efforts28:08 - Is Davina McCall a sell-out for working with ZOE?32:54 - The study that killed the insulin hypothesis42:27 - Are programs catering towards Menopause worth it?59:54 - Do food intolerance tests actually work?01:02:32 - Does alcohol shut down your metabolic pathways, and stop you from losing fat?
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  #116: GUEST APPEARANCE - How Aggressive Dieting can Reduce Hunger, How to Diet Around Your Menstrual Cycle & Much More 27.04.2024 43min

  In this week's episode, I discuss how women can diet around their menstrual cycle and the importance of building healthy weight maintenance habits.I also explain why hunger is reduced on aggressive deficits when compared with moderate deficits and how aggressive diets impact an individual’s relationship with food. If you're interested in joining my MacMail, join the list HERE: ⁠https://mailchi.mp/martin-macdonald/macmail-newsletter⁠Interested in getting my updated aggressive dieting calculator? Join the interest list HERE! (⁠https://www.martin-macdonald.com/aggressive-diet-calculator⁠)Want to come to my new aggressive dieting seminar? Join the interest list HERE! (⁠www.martin-macdonald.com/aggressive-diet-coaching-seminar⁠)References and links discussed can be found at www.Martin-MacDonald.com/Ep116TIMEPOINTS05:52 - How women should diet around their menstrual cycle15:39 - Why aggressive deficits are better than moderate deficits for fat loss21:37 - When you shouldn’t diet28:24 - Does aggressive dieting negatively impact an individual’s relationship with food?31:36 - How aggressive diets can actually reduce hunger!37:15 - Why diets don’t have to be sustainable to be effective
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  #115: GUEST APPEARANCE - Is it Harder For Women to Lose Weight Than Men & Are Food Intolerance Tests BS? 25.04.2024 49min

  In this week's episode, I am interviewed on how to become a qualified nutritionist without a degree, the science behind the efficacy of food intolerance tests, why quick-fix diets are so popular & why it can be harder for women to lose weight than men!If you're interested in joining my MacMail, join the list here:https://mailchi.mp/martin-macdonald/macmail-newsletterInterested in getting my updated aggressive dieting calculator? Join the interest list HERE!(https://www.martin-macdonald.com/aggressive-diet-calculator)Want to come to my new aggressive dieting seminar? Join the interest list HERE! (www.martin-macdonald.com/aggressive-diet-coaching-seminar)If you are interested in becoming a qualified nutritionist in as little as 13 months check out the MNU prospectus HERE!  (www.mac-nutritionuni.com/mnu-prospectus)References and links discussed can be found at www.Martin-MacDonald.com/Ep115TIMEPOINTS10:30 - Why you don't have to go to university to become a nutritionist16:40 - Are food intolerance tests all BS? 35:16 - How the fitness and nutrition industry is failing and how MNU is solving this!40:50 - Why are quick-fix diets so appealing to people?45:07 - Why it's much harder for women to lose weight than men?
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  #114: NUTRITION - Why Eddie Abbew’s Take on Insulin & Fat Loss is SH*T 14.03.2024 40min

  In this episode, I give my take on Eddie Abbew’s rise in popularity and discuss the research around his demonisation of insulin & various other things.The link to the two Kevin Hall papers and the podcast I discuss in the episode can be found at www.Martin-MacDonald.com/Ep114 TIMEPOINTS00:20 - Is Eddie Abbew the new Tim Spector?06:29 - What is the insulin hypothesis & why Eddie Abbew thinks you have to control insulin15:05 - The two studies that disprove most low-carb thinking!27:42 - Why some people lose more weight on a low-carb diet34:51 - The fastest way to lose body fat that is ACTUALLY backed by science!
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  #113: GUEST APPEARANCE - Jeff Hoehn Interviews me on: What Everyone Should Consider Before Bulking 13.02.2024 36min

  On the second part of the Mind Muscle Connection podcast, I am interviewed by Jeff Hoehn on the things everyone should consider before starting a bulk! We discuss the factors that affect how someone adapts to bulking including gender, NEAT & genetics. References for the studies discussed can be found at www.Martin-MacDonald.com/Ep113 TOPICS03:04 - Why bulking is not the way to reach your ideal physique21:54 - How to train for muscle gain & eat for fat loss25:24 - Why people respond to bulking so differently30:44 - The importance of understanding natural muscle gain when setting physique goals
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  #112: GUEST APPEARANCE - Jeff Hoehn Interviews me on: The Reason Many People Gain Weight & Why Tracking is Unsustainable 08.02.2024 44min

  On this week’s episode, I am interviewed by Jeff Hoehn on the Mind Muscle Connection podcast. We discussed what my current nutrition and training goals are and my daily eating behaviours. We also talk about the importance of learning healthy eating habits and why tracking should be considered a tool but not a panacea for sustainable fat loss.References and links discussed can be found at www.Martin-MacDonald.com/Ep112TOPICS10:52 - What is different about MNU & why we regulate our graduates23:47 - How I eat 95% of the time37:25 - Why most people gain weight over time41:44 - Why tracking is unsustainable in the long term
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  #111: NUTRITION - NEW Protein Study! The Most Significant Nutrition Knowledge Update in The Last Nine Years 25.01.2024 27min

  A new seminal paper has just been published and it has HUGELY changed/added to our current understanding of how we should be viewing protein intake!! This is big!References for the studies discussed can be found at ⁠www.Martin-MacDonald.com/Ep111TOPICS00:00 - The paper 9 years ago that finally answered a question once & for all!04:32 - Have we been wrong in the past about "optimal" protein intake?16:55 - How should we use this new information going forward? Aggressive Diet Coaching Seminarshttps://www.martin-macdonald.com/aggressive-diet-coaching-seminar
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  #110: NUTRITION - When & How to Refeed During an Aggressive Diet 05.06.2023 20min

  In this episode, I discuss what needs to be considered when implementing refeeds during an aggressive diet. The link to receive my aggressive dieting resource can be found at: https://www.martin-macdonald.com/aggressive-dieting-resource References and links discussed can be found at www.Martin-MacDonald.com/Ep110TIMEPOINTS02:23 - What is the optimal deficit during an aggressive diet05:53 - When and how often are refeeds needed during an aggressive diet09:40 - The negative impacts of refeeds during an aggressive diet 16:15 - Why it's important to maintain muscle during an aggressive diet
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  #109: WISDOM - Training to Get Big Arms! Or Something Like That. 28.05.2023 13min

  This short episode covers a few insights into the topic of training, more specifically how I took my arms from being my worst body part to arguably my best.The references and links for the study discussed can be found at www.Martin-MacDonald.com/Ep109TOPICS1:46 - Dealing with the External & Internal Negativity3:33 - The key things I changed in my Training to make my worst body part, my best6:04 - The interaction between Training Frequency & Training Volume10:10 - An area of research *some* trainers might start to obsess about too much..
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  #108: NUTRITION - Weight Loss Injections, Insulin Sensitivity and Weight Loss 22.05.2023 13min

  This is a quick fire episode after I was 'challenged' about the importance of insulin sensitivity for weight loss over simply being concerned with energy balance. I discuss weight loss injections like semaglutide and the diabetes medication, metformin.References and links discussed can be found www.Martin-MacDonald.com/Ep108TOPICS00:40 - Can certain 'insulin sensitivity' medications increase fat loss?04:30 - The unknown impacts of increasing your insulin sensitivity06:40 - The role of leptin and appetite hormones in weight loss maintenance08:57 - What advice doctors should be giving alongside the prescription of "weight loss" drugs
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  #107: GUEST APPEARANCE - Anna Skinner from Body Smart Fitness Interviews me on: PCOS, Reducing Cravings & Sugar Addiction 15.05.2023 1u 3min

  In this episode, I am interviewed by Anna Skinner from Body Smart Fitness. We discuss myths and dietary changes regarding PCOS, the efficacy of supplements, sugar addiction, cravings & much more!As mentioned in this episode, you can use code 'NANPDublin' to get £50 off tickets to my Tour Talk in Dublin on 3rd June!References and links discussed can be found at www.Martin-MacDonald.com/Ep107TOPICS11:23 - Nutritional myths that mislead women with PCOS18:51 - The three dietary changes to improve symptoms of PCOS25:38 - The one supplement you should consider taking for PCOS27:41 - Should you be supplementing with collagen34:52 - The three supplements most people should be taking 44:21 - Is sugar addiction real & how to combat cravings52:01 - How unconditional permission to eat can lead to weight loss56:56 - The importance of learning how to eat when you aren’t dieting
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  #106: NUTRITION - Aggressive Dieting: Non-tracking & Transitioning to Maintenance 08.05.2023 28min

  In this week’s episode, I discuss key considerations and strategies for aggressive dieting & cover how to transition from a dieting phase to eating at maintenance!References and links discussed can be found at www.Martin-MacDonald.com/Ep106TOPICS05:50 - How I aggressive diet with minimal tracking09:44 - How often to weigh yourself whilst on an aggressive diet10:30 - Two key factors to consider before starting an aggressive diet15:45 - Should you be training whilst on an aggressive diet?19:19 - How to eat to maintain your body fat after dieting 24:15 - The importance of understanding sacrificeIf you enjoyed this, you might benefit from:Episode #12 - Two Facts to Know About Aggressive Dieting Before You Attempt It YourselfEpisode #8 - What Foods Can You Eat on an Aggressive Diet?Episode #3 - Fasting & Aggressive Calorie Deficits
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  #105: NUTRITION - An Intro in to Understanding The Lack of Evidence Behind ‘Personalised Nutrition’ Technology 02.05.2023 27min

  In this episode I start what will likely be a longer journey into dispelling the misinformation that is going to fill the health, fitness & wellness industries for years to come with regards to PERSONALISED NUTRITION.During this short episode, I cover a few quick points in relation to research into the topic, past and current, and what still needs to be covered and considered in this broad field. References and links discussed can be found at www.Martin-MacDonald.com/Ep105TOPICS1:34 - The not so new craze of personalised nutrition11:28 - Why many degree qualified nutritionists will end up going down this route too19:07 - My “Personalised Nutrition” lol26:03 - My Dublin Tour Talk
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  #104: This was supposed to be a WISDOM episode... 20.03.2023 12min

  I had an idea for this episode but didn't record it for a couple of weeks so I kinda failed you.Instead, it turned into a Dublin Tour date announcement!! 3rd June. Save the Date!You can register your interest here! - https://mailchi.mp/martin-macdonald/dublinReferences and links discussed can be found at www.Martin-MacDonald.com/Ep104TOPICS00:00 - Don't come to my Dublin Tour date if you're a snowflake...03:52 - Something about nutritional evangelists07:30 - Don't shoot the messenger...
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  #103: NUTRITION - A Lack of Sleep Does Not Stop Fat Loss 13.03.2023 45min

  In this week’s episode, I discuss the evidence on the importance of sleep and whether a lack of it can impact fat loss and muscle retention.As mentioned, I'm going to be speaking in Dublin in June!! You can register your interest here! - https://mailchi.mp/martin-macdonald/dublinReferences for the studies discussed can be found at www.Martin-MacDonald.com/Ep103TOPICS05:23 - Why the findings of sleep research might not apply to you/your client12:58 - Does sleeping less than 8 hours reduce fat loss?21:18 - Does sleep deprivation limit muscle gain?24:14 - Why sleeping more could help you lose weight32:07 - When to consider prioritising sleep over dieting 
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  #102: NUTRITION/PARENTING - Why Children Shouldn’t Drink Sweet Drinks - Addendum 24.02.2023 7min

  This episode is a quick addendum to my last episodes, further clarifying why it might not be a good to give children sweet drinks but also emphasising that this is the scientific discussion & we then need to apply it to our REAL world situations properly & appropriately.References and links discussed can be found at www.Martin-MacDonald.com/Ep102TOPICS01:02 - Why completely restricting sweet drinks for children is unrealistic02:24 - The importance of reducing all sweet drinks for children03:33 - Considerations to improve food environment for children