Kirkland Signature Brand

Costco Kirkland Organic Hemp Hearts (Product of Canada): 2024 Lab Report – Testing For Lead, Mercury, Cadmium, & Arsenic

Costco Kirkland Organic Hemp Hearts (Product of Canada): 2024 Lab Report – Testing For Lead, Mercury, Cadmium, & Arsenic

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   Quick note from Tamara Rubin: We were so excited to learn that this product tested non-detect for Lead, Mercury, Cadmium, & Arsenic – and especially excited given the low thresholds of detection for the lab report for this particular product was so very low. Please scroll down to the bottom of this article to…

Costco Kirkland Organic Creamy Peanut Butter (packaged in plastic jars) tests positive for Cadmium, Lead, & Arsenic: November 2024 Laboratory Report

Costco Kirkland Organic Creamy Peanut Butter (packaged in plastic jars) tests positive for Cadmium, Lead, & Arsenic: November 2024 Laboratory Report

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   Quick note from Tamara Rubin: I have been informing readers about the concern for toxicants in this particular product for more than five years now, prompted initially when I was house-sitting for my friend Carissa and saw this product on the counter in her kitchen and decided to test the jar for toxicants using…

Antimony (Sb) Found in Kirkland (Costco) Organic Peanut Butter Plastic Jars

Antimony (Sb) Found in Kirkland (Costco) Organic Peanut Butter Plastic Jars

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After publishing THIS POST (which has since unexpectedly gone viral!) simply recommending that folks not purchase peanut butter in plastic jars & instead purchase peanut butter in glass whenever possible, a lot of people responded with links and information either supporting or attempting to dismiss or refute my concerns. One of my readers posted several…