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3 'Healthy' Costco Foods You Actually Shouldn't Be Eating, According To A Naturopathic Doctor: Rotisserie Chicken, More

February 19, 2025 by Marissa Matozzo
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Many members appreciate Costco for its ability to provide high-quality items at much lower costs, thanks to its bulk purchasing system where products are sold in larger amounts, leading to significant savings per unit. The membership-only access adds an element of exclusivity and fosters customer loyalty.

Additionally, Costco is wellregarded for its generous return policy and commendable customer service. The store also offers a wide range of healthy food options. However, a naturopathic doctor recently highlighted three foods at Costco that may seem nutritious but are not, aiming to help you make more informed decisions on your next visit to the wholesale store.

 

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Costco rotisserie chicken served in a disposable container.

A Naturopathic Doctor Reveals 3 'Healthy' Costco Foods That May Not Be as Good for You as You Think

1. Kirkland Rotisserie Chicken

In his recent TikTok video, naturopathic doctor and content creator Brent Dyson (@brentdysonwellness revealed that Costco's rotisserie chicken can be considered a "toxin bomb."

These chicken breasts, he noted, "appear healthy because you think you're eating lean meat," but the "truth" is that the "heat from the chicken is causing harmful toxins from the plastic to leech into the food."

According to Dyson, consuming this food will introduce BPA and phthalates, which are harmful toxins and hormone disruptors, into your system.  

Frozen fish fillets displayed in a Costco freezer section.

2. Atlantic Salmon Fillets

As pointed out by the doctor, Costco members should steer clear of these Atlantic salmon fillets, which appear healthy but contain concealed risks.

"The problem is they're farmed," Dyson said in the clip, adding that "because farm fish are raised in these pools, they are filled with viruses and disease and parasites."

He went on to stress that they can also be a "high source of toxins including PCBs," so it's best to "stick to wild-caught" fish choices at Costco, only.

Image from Fast CDN Site

 

3. Lenny & Larry's Soft-Baked Protein Cookies

If you're looking for a healthy dessert, Dyson noted that these cookies might be better left on the shelf. "They appear healthy on the surface with all these labels of protein and plant-based, but they're actually not," he  said. The doctor added that "when you look closely, they're made with wheat flour, highly inflammatory palm fruit oil, and absolute garbage cane sugar." He stressed that these cookies are "definitely not a healthy alternative" when it comes to desserts. 

@brentdysonwellness 3 Foods not healthy#fyp #fyppppppppppppppppppppppp #foryou #foryoupage #healthy #kidsoftiktok #fypシ #parents #exercise #workout #food #fitness #health #foodtiktok #gym #costco #danger #dangerous ♬ original sound - BrentDysonWellness

The Bottom Line

Costco is a great spot to discover a variety of items, though some foods recommended by naturopathic doctors are missing from their selection. On the bright side, numerous experts and regular customers have suggested many weight-loss-friendly options and snack ideas that you might want to explore.

Author:

Former Senior Staff Writer

Marissa is a Brooklyn-based journalist and former senior staff writer at SheFinds, specializing in pop culture, entertainment, and lifestyle topics. She crafted engaging, SEO-driven content on celebrity style, entertainment news, beauty trends, and wellness. Her work, including red carpet coverage and features on fashion, music, film, and NYC culture, has appeared in PAPER Magazine, Paste Magazine, The Knockturnal, Bandsintown, and more. When not writing, you can find her with her nose in a great book, at an indie concert, vintage shopping or visiting the best coffeeshops in NYC.

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Princess Diana at American Red Cross charity ball in elegant gown.
Kelly Ripa, Sarah Paulson, and Anna Wintour at a celebrity event.
Selena Gomez at the 31st Annual Screen Actors Guild Awards.
High-protein dip featuring chicken, chickpeas, eggs, and rice.
Person performing a dumbbell exercise for strength training.
Demi Moore at the premiere of 'Fatherland' film.
Jada Pinkett Smith and Debbie Allen at Performing Arts Center event.
Frozen pizza selection available in grocery store aisle.
Kim Kardashian at the 4th Annual Academy Museum Gala.
Colorful blooming nails designed by Nails by Elisee.
Plate of fried fish served with crispy fries.
Ex-Prince Andrew attending a state funeral.
Kylie Jenner at The Metropolitan Museum of Arts Costume Institute Benefit.
Kate Middleton visiting cancer patients in a hospital.
Angelina Jolie at the 'Eternals' AFI Fest premiere.
Michelle Obama and La La Anthony discussing new book on stage.
Unnamed celebrity at a public event.
DJ Khaled at the Big 12 Championship Game.
Prince Harry and Meghan Markle at a public appearance.
King Charles and Prince Harry during a royal event.