Marie Pesacreta & Emily Zorn
RDs vs. BS
A podcast dedicated to sorting the truth from the BS of the claims of popular fad diets and supplements
Author
Marie Pesacreta & Emily Zorn
Category
Podcast website
Latest episode
Jan 13, 2026
Where to listen?
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Episodes
Food Labeling Part 2: Marketing on Food Packaging 25.09.2023 37:10
It can be hard to look at any packaged food in the grocery store and know if it is healthy or not. Is the candy that is made with real fruit better than candy that does not put that on the label? What is the difference between cage free and free range eggs? What does a good source of fiber really mean? We answer all those questions and more on today's episode. Support the show If you want mo...
Food Labeling Part 1: Nutrition Facts Labels and Supplement Facts Labels 18.09.2023 39:43
On part one of this two parter series on food labeling, we break down the nutrition facts label. We discuss what you're looking at, where the numbers come from, and what you should and should not focus on when making food choices. We also compare the nutrition facts label to supplement facts labels. Support the show If you want more RDs vs BS content and episodes, check us out at patreon.com...
Leaky Gut Syndrome and Berberine 11.09.2023 35:13
In today's episode, we look to the literature to answer the questions: Does Leaky Gut Syndrome exist? Why is it such a controversial topic? We end the episode with a BS PS on Berberine. Is it really as effective as Ozempic? Support the show If you want more RDs vs BS content and episodes, check us out at patreon.com/RDSvsBSpodcast Join our Patreon: patreon.com/rdsvsbspodcast Check out our Ins...
Fiber 04.09.2023 44:17
You've probably heard fiber is good (or maybe some carnivore diet folks have told you it's bad), and maybe you associate it with regularity. There are so many types of fibers and so many benefits and considerations, that we decided to dedicate a whole episode to this topic. You may be surprised at what fiber can do in the body! Support the show If you want more RDs vs BS content and epis...
Carb Cycling and Herbalife Nutrition Shops 28.08.2023 42:24
A popularized style of eating called carb cycling promises to improve performance, help with weight loss, and more. Does the research on this dieting style stand up to the hype, or is just a bunch a BS? In today's BS PS, we revisit Herbalife nutrition shops and look into what might be going into the loaded teas sold there. Support the show If you want more RDs vs BS content and episodes, chec...
Protein Shakes and ItWorks 21.08.2023 42:40
There are so many protein shakes available on the market. Some claim they are replacements for meals, some claim they will help you lose weight, and everything in between. Today we discuss what to look for in a protein shake and what, if any, might be best for your goals. Today's BS PS is on MLM company ItWorks, where we take a look if their skinny coffees, skinny gummies, body wraps and more...
Glucose Goddess and Continuous Glucose Monitors 14.08.2023 41:50
Today we dive into another influencer "Glucose Goddess" who proclaims inflammation, hormonal imbalance, and even "frying yourself from the inside out" is a result of your blood sugar rising after a meal. Do we really need to be constantly concerned about our body's blood sugar numbers, and do we need to follow Glucose Goddess's rules to avoid all chronic diseases? Sup...
Krazy Kardashian Diets 07.08.2023 42:32
We're back! After a quick summer break, we're tackling the diets, supplements, and nutrition advice given by the Kardashian Klan throughout the years. Support the show If you want more RDs vs BS content and episodes, check us out at patreon.com/RDSvsBSpodcast Join our Patreon: patreon.com/rdsvsbspodcast Check out our Instagram: @rds_vs_bs_pod Drop us a note on our website: rdsvsbs.com
Alcohol and Celsius 05.06.2023 44:30
We begin today's episode with a many times requested Shit at the Grocery Story about the popular energy drink Celsius. Is there something about this formulation that makes you lose weight? Is it healthier than other energy drinks? Our main topic today is all things alcohol: should you drink? How much? Will alcohol increase or decrease your lifespan? Are certain alcohols better than others? Al...
Bobby Parrish aka Flavcity 30.05.2023 42:58
If you have ever followed Bobby Parrish on social media, you may be overwhelmed at the amount of foods that are poisoning your body! This finance-bro-turned-fear-mongerer would have you believe that almost everything, including certain fruits and vegetables (!!!) are slowly killing us all and should be avoided at all costs (and, of course, replaced with his supplements and products). We take a loo...
Advocare & Listener Stories: Nutrition for Ultra Running with Liam Dumenjich 22.05.2023 49:09
The first half of today's episode looks into the supplement line of Advocare: the once MLM turned traditional retail company with a not so clean history. The second half of today's episode, we speak with listener Liam Dumenjich, who gives us a peak into the nutrition practices of ultra runners. Support the show If you want more RDs vs BS content and episodes, check us out at patreon.com/...
The Mediterranean Diet 15.05.2023 39:01
Support the show If you want more RDs vs BS content and episodes, check us out at patreon.com/RDSvsBSpodcast Join our Patreon: patreon.com/rdsvsbspodcast Check out our Instagram: @rds_vs_bs_pod Drop us a note on our website: rdsvsbs.com
The Biggest Loser 08.05.2023 42:33
From 2004 to 2017, NBC ran the show "The Biggest Loser", where contestants competed to lose the most weight. While the show claimed to be trying to help the contestants in the name of their own health and wellness, how helpful and sustainable is a (basically) starvation diet paired with constant berating from trainers? Today we look back at the unhealthy ways contestants lost weight, the...
Nutrition for Menopause and PCOS 01.05.2023 45:51
The listeners asked, we delivered! Today we have an episode on female hormone related nutrition questions. We specifically delve into nutrition recommendations during menopause for health and weight control, nutrition recommendations for PCOS, and nutrition resources for hypothalamic amenorrhea. Support the show If you want more RDs vs BS content and episodes, check us out at patreon.com/RDSvsBSp...
Gut Parasite Detox and Magnesium Supplements 24.04.2023 42:39
Have you heard that you have a parasite living in your gut, unbeknownst to you, that you must rid your body of immediately? There is an alarming amount of people on social media who seem to think this is the case. Today we talk through if there is any validity to this claim, and what the dangers of gut detoxes can be. Today's BS PS is on magnesium supplementation: what, if anything, can Mg cu...
Red Food Dye and Alpine Ice Hack 17.04.2023 44:52
Is it possible that all of childhood inattentiveness and ADHD diagnoses can be traced back to a simple food dye? Some would have you believe that red food dye, or Red40, may be to blame. We have a feeling the evidence shows otherwise. Today's BS PS is on the Alpine Ice Hack and Tik Tok ice hack challenge. What if all along, all we needed to do to lose weight is eat ice!? Support the show If y...
Collagen, Modere, and Net Carbs 21.03.2023 44:36
If you have come to this episode to find the secrets of beauty, youthfulness, and never-aging skin... we hate to disappoint, but you might not find what you're looking for. In today's episode, we take a deep dive into the literature on collagen and what we can realistically expect from a collagen supplement. Our BS PS is on net carbs, and why some nutrition fact labels subtract fiber and...
Fitness Influencers Part 2: VShred 13.03.2023 38:42
If you have ever used social media, you have probably seen ads for today's episode. The face of VShred, Vince Sant, shows up on ads all over various social media and networking platforms, showing off his 6-pack abs and talking about how he's got the secret to melting off body fat. In today's episode, Marie takes a peak behind the curtain of this company and its figurehead, and what...
Fitness Influencers Part 1: Brittany Dawn 06.03.2023 39:34
In part one of a two-part fitness influencer series, Emily takes a deep dive into the nutrition advice of self-proclaimed nutrition and fitness expert Brittany Dawn. This fitness model is currently standing trial in Texas due to her meal plans causing harm. We hope you enjoy this real-life cautionary tale of what can happen when you take nutrition advice from someone who isn't qualified! Supp...
Book Review: "Skinny B*tch" 28.02.2023 46:25
Support the show If you want more RDs vs BS content and episodes, check us out at patreon.com/RDSvsBSpodcast Join our Patreon: patreon.com/rdsvsbspodcast Check out our Instagram: @rds_vs_bs_pod Drop us a note on our website: rdsvsbs.com
Biohacking feat. Seb Zorn 20.02.2023 48:56
We are joined today but a VERY special guest, Stanford University's Director of Football Performance Nutrition, Seb Zorn, MS, RD, CSSD. You might recognize this last name.. Seb is also Emily's husband! Seb gives us his insight on "biohacking" - the idea that you can use diets and/or supplements to change your biology for the better. We talk through which concept have a little b...
BMI 13.02.2023 46:56
200 years ago, a Belgian mathematician created an equation to represent the statical bell curve of the population of white men in Western Europe. Today, for some reason, we use this height-for-weight measurement to immediately make judgements on a person's risk for health complications. After our discussion, we feel like it might be time to toss out this archaic measurement. We also start our...
Ozempic 06.02.2023 39:38
This weight loss pharmaceutical is all the rage right now, but do you know its actual purpose? Today we discuss Ozempic and the rise of semaglutide medications for weight loss. Although today's topic is not nutrition related, it is related to diet culture and the pursuit of thinness. Today's BS PS is fertilized eggs: with today's high price of eggs, is it worth the extra few dollars...
The Game Changers 30.01.2023 41:24
Today we continue our documentary review by taking a magnifying glass to the popular Netflix documentary "The Game Changers". At first glance, this documentary may seem to make a pretty convincing argument for athletes of all kinds to switch to a vegan diet. However, we took a closer look at the evidence cited and found that the arguments crumble under the tiniest scrutiny. A reminder...
Juice Plus+, Greens Powders, Juicing, and Chlorophyll 23.01.2023 37:01
Is the secret to all your health concerns found in a capsule of dehydrated fruits and vegetables? Today we dive in to Juice Plus+, an MLM company with some wild claims about the benefits of the product. Our conversation leads us to talk about other greens powders, juicing, and the benefits of chlorophyll (we promise this episode isn't a bore-ophyll!) A reminder that this podcast is the though...
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