The #1 Children’s Vitamin Brand in the US contains ingredients that most parents would never intentionally expose their children to, so why aren’t more opting for healthier alternatives?
Kids vitamins are supposed to be healthy, right? Well then, what’s going on with Flintstones Vitamins, which proudly claims to be “Pediatricians’ #1 Choice”? Produced by the global pharmaceuticalcorporation Bayer, this wildly success brand features a shocking list of unhealthy ingredients, including:
- Cupric Oxide
- Coal tar artificial coloring agents (FD&C Blue #2, Red #40, Yellow #6)
- Zinc Oxide
- Ferrous Fumarate
- Hydrogenated Oil (Soybean)
- GMO Corn starch
On Bayer Health Science’s Flintstones product page designed for health care professionals they lead into the product description with the following tidbit of information:
82% of kids aren’t eating all of their veggies1. Without enough vegetables, kids may not be getting all of the nutrients they need.
References: 1. Lorson BA, Melgar-Quinonez HR, Taylor CA. Correlates of fruit and vegetable intakes in US children. J Am Diet Assoc. 2009;109(3):474-478.
The implication? That Flintstones vitamins somehow fill this nutritional void. But let’s look a little closer at some of these presumably healthy ingredients….
Aspartame is a synthetic combination of the amino acids aspartic acid and l-phenylalanine, and is known to convert into highly toxic methanol and formaldehyde in the body. Aspartame has been linked to over 40 adverse health effects in the biomedical literature, and has been shown to exhibit both neurotoxicity and carcinogenicity  What business does a chemical like this have doing in a children’s vitamin, especially when non-toxic, non-synthetic non-nutritive sweeteners like stevia already exist?
Next, let’s look closer at Cupric Oxide, 2mg of which is included in each serving of Flinstone’s Complete chewable vitamins as a presumably ‘nutritional’ source of ‘copper,’ supplying “100% of the Daily Value (Ages 4+), according to Flintstones Vitamins Web site’s Nutritional Info.
But what is Cupric Oxide? A nutrient or a chemical?
According to the European Union’s Dangerous Substance Directive, one of the main EU laws concerning chemical safety, Cupric Oxide is listed as a Hazardous substance, classified as both “Harmful (XN)” and “Dangerous for the environment” (N). Consider that it has industrial applications as a pigment in ceramics, and as a chemical in the production of rayon fabric and dry cell batteries. In may be technically correct to call it a mineral, but should it be listed as a nutrient in a children’s vitamin? We think not.
COAL TAR ARTIFICIAL COLORING AGENTS
A well-known side effect of using synthetic dyes is attention-deficit hyperactivity disorder. For direct access to study abstracts on this topic view our Food Coloring research page. There is also indication that the neurotoxicity of artificial food coloring agents increase when combined with aspartame, making the combination of ingredients in Flintstones even more concerning.
Each serving of Flinstones Complete Chewable vitamins contain 12 mg of zinc oxide, which the manufacturer claims delivers 75% of the Daily Value to children 2 & 3 years of age. Widely used as a sun protection factor (SPF) in sunscreens, The EU’s Dangerous Substance Directive classifies it as an environmental Hazard, “Dangerous for the environment (N).” How it can be dangerous to theenvironment, but not for humans ingesting it, escapes me. One thing is for sure, if one is to ingest supplemental zinc, or market it for use by children, it makes much more sense using a form that is organically bound (i.e. ‘chelated’) to an amino acid like glycine, as it will be more bioavailable and less toxic.
Sorbitol is a synthetic sugar substitute which is classified as a sugar alcohol. It can be argued that it has no place in the human diet, much less in a child’s. The ingestion of higher amounts have been linked to gastrointestinal disturbances from abdominal pain to more serious conditions such as irritable bowel syndrome.
The one clear warning on the Flinstone’s Web site concerns this chemical. While it is impossible to die from consuming iron from food, e.g. spinach, ferrous fumarate is an industrial mineral and not found in nature as food. In fact, ferrous fumarate is so toxic that accidental overdose of products containing this form is “a leading cause of fatal poisoning in children under 6.” The manufacturer further warns:
Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control center immediately.
HYDROGENATED SOYBEAN OIL
Finding hydrogenated oil in anything marketed to children is absolutely unacceptable. These semi-synthetic fatty acids incorporate into our tissues and have been linked to over a dozen adverse health effects, from coronary artery disease to cancer, violent behavior to fatty liver disease.
GMO CORN STARCH
While it can be argued that the amount of GMO corn starch in this product is negligible, even irrelevant, we disagree. It is important to hold accountable brands that refuse to label their products honestly, especially when they contain ingredients that have been produced through genetic modification. The ‘vitamin C’ listed as ascorbic acid in Flintstones is likely also produced from GMO corn. Let’s remember that Bayer’s Ag-biotech division, Bayer CropScience, poured $381,600 of cash into defeating the proposition 37 GMO labeling bill in California. Parents have a right to protect their children against the well-known dangers of genetically modified foods and the agrichemicals that contaminate them, don’t they? GMO corn starch is GMO, plain and simple. We’d appreciate it if Bayer would label their “vitamins” accordingly.
In summary, Bayer’s Flintstone’s vitamin brand is far from a natural product, and the consumer should be aware of the unintended, adverse health effects that may occur as a result of using it.
 GreenMedInfo.com, Adverse Health Effects of Aspartame
 Karen Lau, W Graham McLean, Dominic P Williams, C Vyvyan Howard. Synergistic interactions between commonly used food additives in a developmental neurotoxicity test. Toxicol Sci. 2006 Mar;90(1):178-87. Epub 2005 Dec 13. PMID: 16352620
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