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Sports supplements sold online found to be mislabeled

Posted 14 August 2023

Researchers analyzed 57 dietary supplements sold online and labeled as containing: R vomitoria, methylliberine, turkesterone, halostachine, or octopamine.

The researchers found:

  • no detectable amount of the labeled ingredient in 23 of the products
  • the actual quantity of the labeled ingredient ranged from 0.02% to 334% of the labeled quantity in 34 of the products
  • only six accurately labeled products that contained a quantity of the ingredient within 10% of the labeled quantity
  • seven products that contained at least one ingredient prohibited by the U.S. Food and Drug Administration

Reference:
Cohen PA, and others. Presence and quantity of botanical ingredients with purported performance-enhancing properties in sports supplements. JAMA Network Open, 6(7):e2323879, 2023

Presence and Quantity of Botanical Ingredients With Purported Performance-Enhancing Properties in Sports Supplements

Pieter A. Cohen, MD1,2; Bharathi Avula, PhD3; Kumar Katragunta, PhD3; et alJohn C. Travis, BS4; Ikhlas Khan, PhD3

JAMA Netw … Read the rest

40% of Sports Supplements Don’t Contain Ingredients On The Label, US Study Finds

Posted 24 July 2023

HEALTH 24 July 2023

By Clare Watson, ScienceAlert

“You get what you pay for” isn’t an adage we can always rely upon. A US study has found more than one-third of a selection of sports supplements bought online don’t contain key ingredients the label says they should.

Pieter Cohen, a clinician-researcher at Cambridge Health Alliance and Harvard Medical School in Cambridge, Massachusetts, and colleagues ordered 57 sports supplements to analyze their contents.

Each product’s label claimed the supplement contained one of five botanical compounds with purported performance-enhancing properties. The substances have been included in supplements since a stimulant called ephedra was banned in 2004.

“The FDA does not preapprove these ingredients, or any supplement ingredient, for either efficacy or safety before their introduction,” Cohen and colleagues write in their paper.

“But FDA inspections have found that supplement manufacturers often fail to comply with basic manufacturing standards, … Read the rest

Banned stimulants found in weight loss and sports supplements

Posted 07 May 2021

Banned stimulants found in weight loss and sports supplements Deterenol is a pharmaceutical bronchodilator that the U.S. Food and Drug Administration (FDA) never approved as a drug for humans. The FDA determined in 2004 that deterenol is not permitted as an ingredient in dietary supplements. Although since 2018, deterenol has been detected in several brands of dietary supplements sold in the U.S., the FDA has not advised manufacturers to remove it from products or warned consumers to avoid supplements labeled as containing the drug. In April 2018, researchers made online purchases of 35 samples of 17 brands of supplements labeled as containing deterenol (or a synonym) to determine the presence and quantity of active pharmaceutical stimulants that have not been approved by the FDA for oral use.

The researchers found:

  • Eight of the brands were marketed for weight loss, six as sports/energy supplements, and three with
Read the rest

When Teen Boys Use Supplements

Posted 23 May 2020

New York Times By May 21, 2020

“I’ve started cutting,” my son, a college freshman, recently told me. He meant he was temporarily restricting calories to lose body fat as part of his new focus on bodybuilding. He planned to alternate cutting with “bulking,” or building up muscle mass, aided by over-the-counter supplements like protein powder and creatine.

Everything he was doing was legal, but was it safe? I also have a teenage daughter, and I was attuned to body-image-related issues affecting girls. But I realized the risks for teenage boys were equally worrisome and decided to check with several experts.

“Almost a third of boys are trying to gain weight or bulk up,” said Dr. Jason Nagata, an assistant professor of pediatrics at the University of California, San Francisco.

Many turn to protein supplements in an attempt to

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Study finds diverse diet as effective as sports supplements for female athletes

Posted 19 April 2020

by University of Montana

The edge. Every athlete, from the professional to the weekend warrior, strives to obtain that ever-elusive element that leads to victory—sometimes sparing no expense to get there.

A lighter bike, a better training regimen, the newest shoes.

A recently released study from the University of Montana, however, has discovered that common “edge,” sports nutrition products, are no more effective at promoting  in female athletes as regular, carbohydrate-rich, often less-expensive potato-based foods.

“Athletes are vulnerable to strategic marketing. We are easily swayed,” said UM Research Professor Brent Ruby, a veteran endurance  who knows all too well the allure of sports powders and gels.

As director of UM’s Montana Center for Work Physiology and Exercise Metabolism, Ruby and his team have done extensive work in the field of athletic performance and examining the role that post-exercise carbohydrate nutrition plays in the replenishing Read the rest

Regulating the South African sport supplement industry: ‘Whey’ overdue

Posted 19 March 2018

This article by K Naidoo, R Naidoo, and V Bangalee from the Discipline of Pharmaceutical Sciences, School of Health Sciences, Westville Campus, University of KwaZulu-Natal, Durban, and Discipline of Biokinetics, Exercise and Leisure Sciences, published in the South African Medical Journal, addresses the sorely needed regulation of the sports supplements industry.

[quote]Many sport supplements currently on the market are likely to be little more than placebos, containing either grossly under-dosed products or ingredients with no proven benefit. In a largely unregulated industry, consumers who complement their diet with supposedly safe and effective supplements, may be doing so to their own detriment, particularly when these are used in high doses or without medical supervision.[/quote]

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Teens Receiving Inaccurate Information on Supplements

Posted 28 February 2017

Teens Receiving Inaccurate Information on Supplements

A new study shows that teenage boys are frequently encouraged to use creatine and testosterone boosters by sales attendants at health food stores, despite American Academy of Pediatrics’ warnings.

Researchers pretending to be 15-year-old high school athletes asked sales attendants at 244 health food stores across the United States for advice on how to increase muscle strength. Creatine was recommended by 67.2% of the stores, 38.5% of which provided the recommendation without being asked specifically, while 28.7% recommended creatine when asked directly if it was not initially suggested. Furthermore, 74.2% of sales attendants stated that a 15-year-old could purchase creatine without a parent. Testosterone boosters were recommended by 9.8% of sales attendants. Study authors suggested that pediatricians should be educating teenage patients, particularly athletes, about these products and discourage their use.

Source: Integrative Medicine Newsletter

References:

Herriman M, Fletcher … Read the rest

Targeting school children in marketing campaigns for sports supplements: Is it ethical?

Posted 31 May 2016

On 17 April 2016, the journalist, Elaine Swanepoel drew our attention in the Afrikaans Sunday newspaper, Die Rapport, to USN targeting and marketing to sport supplements to children. Bizarrely, according to the report: “Yet says Albe Geldenhuys, head of USN, to Die Rapport, that primary school children should not under any circumstances be using supplements”. The text of this article, and commentary, is reproduced here.

In the South African Sports Medicine Association (SASMA) May 2016 newsletter, the selling of sports supplements to schoolchildren is addressed.

[quote]”SASMA considers such aggressive marketing as highly irresponsible, dangerous and somewhat unethical as the youth who are involved in the schooling system are vulnerable targets”[/quote]
Read the rest

Diet supplements threat to liver

Posted 25 January 2016

From the Medical Journal Australia:

CLINICIANS have been warned to be alert to the possible role of herbal and dietary supplements in cases of hepatotoxicity in the wake of a West Australian man experiencing severe drug-induced liver injury (DILI) after taking a protein and weight loss supplement.

A case report published in the Medical Journal of Australia outlined the experience of a 26-year-old Indigenous man who presented with severe liver injury 10 weeks after taking a whey protein supplement containing green tea extract as well as a dietary supplement containing Garcinia cambogia for just 1 week. The researchers reported that the patient had no previous medical history, did not drink to excess, was not taking medications regularly, and did not smoke or use illicit substances.

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Melamine contamination in South African nutritional supplements

Posted 21 July 2015

This South African study by Gary Gabriels et al., found that “47 % of all the sport supplements tested (n = 138) tested positive for melamine. Eight-two % of the South African produced products (n = 27) tested positive and 58 % of the products imported into South Africa (n = 50) tested positive. The median concentration estimate for melamine in the products tested were, 6.0 μg/g for the 138 supplements tested, 8.9 μg/g for South African produced products, and 6.9 μg/g for products imported into South Africa.” (Highest was 76.4  μg/g)

However, “The melamine (undeclared on product label) levels detected in the nutritional supplements products investigated were within the Tolerable Daily intake (TDI) limit guidelines of 200 μg/g as set by WHO and others. Melamine over exposure within the context of the nutritional supplements consumption in the products investigated should not be Read the rest