Don’t put your health at risk

Stay vigilant: A person looking at possibly fake supplements on an ecommerce platform. — YAP CHEE HONG/The Star

\ Fake health supplements slip through on ecommerce platforms

PETALING JAYA: Don’t jump for joy if your usual supplements are being sold at knockdown prices on ecommerce websites, because they could be fake or counterfeits that could pose a health risk.

A check on these ecommerce websites revealed that many commonly used supplements are being sold at dirt-cheap prices of up to 70% cheaper by overseas sellers.

The “bogus” supplements bear the real brands and existing labels from the United States, United Kingdom or Australia, which are not that common in Malaysian .

ALSO READ: Suspicious supplements have consumers on high alert

They include popularly consumed supplements like multivitamins and those for joint health, heart health, anti-inflammatory, anti-ageing, antioxidants, probiotics and enzymes.

Buyers are, however, unable to view or verify where these sellers are based.

From the parcel delivery label and information, the products seem to have come from overseas with the parcels delivered through a shipping and consolidating company based in Selangor.

ALSO READ: ‘Ecommerce sites should be held accountable’

While many Malaysians have purchased these products from such sellers, some noticed differences between the original product in terms of product label, design and packaging, and the actual supplement’s look, form and smell.

Malaysian Community Pharmacy Guild (MCPG) Kuala Lumpur and Selangor chairman Rachel Gan said the cheap pricing does not “make sense.”

“It’s quite impossible for these supplements to go so cheap,” she said in an interview.

Questioning the content of such products, she said they could be made with powders used as “filler.”

“But the concern is that they could be made of something else that is unknown and which could damage your kidneys or liver in the long run,” said Gan.

MCPG president Foon Hwei Foong said these products could have been adulterated with unknown substances that could be dangerous to a person’s health. 

 Finding out what these substances are poses another challenge as it is costly to do so, said Gan, adding that consumers who suspect something amiss could send the supplement to a lab to test its ingredients.

“It may cost a few thousand ringgit. That’s why consumers usually don’t bother and just throw the products away since they spent so little to buy them in the first place,” she said.

She added that consumers were likely to only take action when their health is affected.

Despite existing laws and controls to ensure the safety of medicines and supplements in the market, Gan said the emergence of online sellers poses a challenge.

“Any sellers, either from Malaysia or overseas, are allowed to sell online, offering all kinds of unregistered products.

“It could be any overseas brand and the products can pass through Customs checks and reach Malaysian consumers.an let it go through.

“This sounds scary as any supplement can come into Malaysia without being regulated. Online platforms also do not control who can sell what, and they don’t filter what products are on their platforms,” she said.

Gan said a concerted effort from several ministries and agencies is needed for greater enforcement to stop fake supplements from reaching consumers.

For example, she said the Health Ministry can tighten its rules and enforcement through the National Pharmaceutical Regulatory Agency (NPRA), while the Malaysian Communications and Multimedia Commission (MCMC) can require ecommerce platforms to filter their sellers and products, requiring them to have authorisation letters from the concerned brands or the Customs Department.

“The Domestic Trade and Cost of Living Ministry could also play its part in creating awareness among online consumers,” she said.

Gan noted that the NPRA required all medicines, cosmetics and supplement products sold in the Malaysian market to be registered with the Health Ministry.

“The registered products will have a hologram sticker on the item and a registration number beginning with MAL issued by the Health Ministry.

“Consumers can run a check on the hologram by using the FarmaChecker app,” she added.

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The antioxidant story

 

The columnist believes that antioxidants are nutrients best ingested through a diet rich in fruits and vegetables.

Are there any benefits to taking antioxidant supplements? the columnist delves into this.

WHILE scientific evidence suggests that ingesting antioxidants in a balanced diet helps in maintaining health and overcoming some diseases, there needs to be some clarifications made, especially regarding antioxidant supplements.

Sales of such supplements are expected to be USD3 billion (RM13.7 billion) this year, rising to over USD4.5 billion (RM20 billion) by 2028, so there is a strong incentive for pharmaceutical companies to keep pushing the sales of antioxidant supplements onto consumers, while at the same carefully omitting to provide two items of significant interest about such supplements.

One is that the costs of producing such supplements are often ridiculously cheap compared to the sale price, hence ensuring that there are substantial profits in continuing to market such supplements.

From a scientific point of view, the other problem is that volumes of research have been extremely inconclusive about the health benefits of taking antioxidant supplements. In some cases, supplements have been linked to higher incidences of diseases; for example, the Selenium and Vitamin E Cancer Prevention Trial (SELECT) on around 35,000 men found that taking vitamin E supplements hugely increased the risks of contracting prostate cancer among healthy men.

Theory of antioxidants

Free radicals are chemical compounds with free (or unpaired) electrons that are prone to oxidising other molecules, such as proteins, carbohydrates, lipids (fats), and DNA. During this process, free radicals can create more free radicals, precipitating a chain of biological destruction due to “oxidative stress” of damaged molecules. Oxidative stress is linked to many diseases such as lung cancer, atherosclerosis, and Alzheimer’s.

For a couple of decades during the last century, antioxidants were deemed to be some sort of miracle compounds, able to diminish the perceived negative effects of free radicals causing oxidative stress within the human body. It is an undoubted fact that severe oxidative damage has been proven to cause cancers and other diseases.

However, the idea that free radicals and the accompanying oxidative stress were always “bad” was probably started in December 1945, based on an article in a ladies’ magazine which Denham Harman had read. Some nine years later, after obtaining a medical degree, Harman had an “epiphany” from “out of the blue” (his own words), and summarily concluded that human aging was caused by oxidative stress damage arising from free radicals in the body, all based on the original 1945 article.

Harman devised experiments on mice which apparently lived longer when fed with antioxidants, though they also suffered negative effects when heavily overdosed with supplements. Other scientists initially thought the theory was plausible and in 1969, Duke University discovered that the body also produced an enzyme called ‘superoxide dismutase’, and suggested it was used to counter the damaging effects of accumulating too many free radicals in the body.

So, all was going swimmingly for Harman and his theory until the 1970s, when other researchers found they could not reproduce the life span enhancing results of Harman’s own experiments on rodents.

Newer experiments in the 1990s proved conclusively that supplemental antioxidants in mice made no difference in their lifespans. These newer experiments involved genetically modifying and adjusting the amount of antioxidant enzymes circulating in the blood, and regardless of the amount of free radicals left in the blood, the life spans of treated and untreated mice did not change.

Even more curious was an experiment done in 2010 by a biologist called Siegfried Hekimi at Mcgill University who bred roundworms to produce higher quantities of free radicals called ‘superoxides’. He had fully expected the modified roundworms to die earlier, but the results found instead that these roundworms lived 32% longer on average compared to normal roundworms with less free radicals in their bodies.

To rub salt into Harman’s wounded theory, Hekimi did another experiment where normal worms were exposed to a toxic weedkiller known to accelerate free radical production in animals. The results were even more surprising than the earlier outcome: worms bred in the toxin lived even longer, around 58% longer than unexposed worms.

And very interestingly, Hekimi found that turning OFF the superoxide dismutase genes in the toxin-exposed worms caused them to return to their normal lifespans. In short, eliminating the effects of antioxidants in the presence of free radicals caused roundworms to live much longer, and applying antioxidants against free radicals caused roundworms to return to their normal lifespans.

Hekimi suggested that superoxides and some other free radicals can act as signalling mechanisms in the worms’ biological systems, spurring the production of genes and other enzymes/compounds which help to repair cellular damage.

If Hekimi is correct, and his idea is currently just as plausible as any other, then it is feasible that some free radicals may prove to be helpful in maintaining health and, in the case of roundworms, also extending their lifespans.

Antioxidants In humans?

Based on recent research over the last few decades, the idea that antioxidants are universally beneficial for humans is clearly incorrect. This is highlighted by other studies. The beta-carotene And Retinol Efficacy Trial (CARET) involving over 18,000 smokers (and people exposed to asbestos) had to be halted 21 months early in 1996 because subjects ingesting high doses of beta-carotene and Vitamin A had a very significant 28% increase in the incidence of lung cancers.

This confirmed the earlier findings of a Finnish study on over 29,000 smokers who also developed an 18% increase in lung cancer rates after ingesting antioxidant supplements. In both studies, the main culprit appears to be beta-carotene.

Do antioxidants work in humans?

The answer is complicated. One reason is that we only know about a very, very few number of compounds which have been determined to contain some antioxidation properties. As an example, fresh strawberries contain vitamin C, a powerful antioxidant.

The fruits also contain plant compounds such as polyphenols (e.g., proanthocyanins and flavonoids), which are antioxidants in their own right, but importantly also have other chemical properties, mostly unknown currently. Therefore, a simple assumption that taking a vitamin C pill is as healthy as eating fruits is completely ignoring the interactions of vitamin C with polyphenols within the body.

Another issue is the assumption that supplemental antioxidant pills are absorbed in exactly the same manner as antioxidants in natural foods. There are many other compounds in foods, including dietary fibres, proteins, fats, carbohydrates, other chemicals, etc, which may be required for the proper uptake and processing of antioxidants by the body. Also, there is evidence that overdosing on some antioxidant supplements can turn them into disease-causing agents.

Importantly, recent studies have shown that the connection between free radicals and health may be much more complex than previously thought. Modern research indicates that some free radicals may actually be beneficial rather than harmful, and therefore eliminating them indiscriminately may be undesirable, though we are currently uncertain as to which free radicals may prove useful.

Human cells already contain antioxidant enzymes which help reduce free radical levels. The primary antioxidant enzymes used by human cells are superoxide dismutase, catalase, glutathione peroxidase, and glutathione reductase. From various metabolic processes, the body also produces secondary antioxidants such as lipoic acid, glutathione, coenzyme Q10, melatonin, uric acid, L-arginine, metal-chelating proteins, bilirubin, and transferrin.

The known antioxidants which the human body cannot produce, and which must come from the diet, are vitamins A, C, D, E, K, and the B vitamins, selenium, manganese, zinc, Omega-3, and Omega-6 fats. Humans can produce a certain amount of vitamin D via sunlight, but this capacity is reduced as we age. Flavonoids can also be included on the list, although they are not critical for health.

Summary

Around 52% of Americans take antioxidant supplements of some kind. In general, pharmaceutical companies like selling them as such products usually do no or little harm, and they are very profitable.

In summary, antioxidants are nutrients which are best ingested via varied, healthy diets with at least five different types of vegetables and fruits daily. Selective supplemental nutrients may also be helpful due to personal circumstances. For example, I take vitamin D drops in the seasons when there is reduced sunlight in the region, and they are always taken with proper meals.-

By CHRIS Chan

The views expressed here are entirely the writer’s own. 

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