Most herbal remedies in Nigerian market safe, but ineffective – NIMR - Newstrends
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Most herbal remedies in Nigerian market safe, but ineffective – NIMR

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Most herbal remedies in Nigerian market safe, but ineffective – NIMR

A six-year research effort by researchers at the Nigerian Institute of Medical Research, NIMR, on Tuesday revealed that while the majority of herbal products circulating in Nigeria are safe for consumption, their effectiveness in treating diseases remains largely unproven.

Disclosing this during the monthly media briefing by the Centre for Research in Traditional, Complementary and Alternative Medicine at the institute, the Deputy Director of Research in the Department of Biochemistry and Nutrition, Dr. Oluwagbemiga Olanrewaju Aina, emphasised that the absence of verified therapeutic benefit in many herbal preparations poses a major concern for public health.

“All the 46 herbal products evaluated over the last six years were found to be safe in toxicity studies using animal models. However, none of them passed efficacy tests,” Aina stated.

According to him, since 2019, the Centre has conducted extensive acute and sub-acute toxicity studies on herbal products including painkillers, anti-malarials, anti-COVID formulations, and remedies for cancer and arthritis. Products such as Kampe Bitters, Divine Herbal Eye Medicine, and Yusram Colon Cleanser were tested and deemed non-toxic at standard dosages.

Sub-acute studies were also conducted on high-profile products including COVID Organics Herbal Tea from Madagascar and Vernonia Antiviral Herb. These studies confirmed the absence of harmful effects over repeated use in animals.

However, in preclinical and clinical efficacy studies, products like Yoyo Bitters, Timalin, and Jemchi Herbal Remedies failed to demonstrate reliable therapeutic effects against the conditions they claim to treat, such as malaria, prostate cancer, and arthritis.

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“Just because a product doesn’t harm you doesn’t mean it works. There is a growing trend of herbalists making unverified claims, and in some cases, adulterating their preparations with conventional drugs,” Aina, who is also an Associate Professor of Pharmacology at Eko University of Medicine and Health Sciences, said.

He noted that the Centre was instrumental during the COVID-19 pandemic, evaluating multiple herbal and pharmaceutical products for safety and efficacy, including Virucidine, Ivermectin, and protein-based immune therapies. Despite widespread public interest, none showed statistically significant clinical benefits over standard treatment in trials conducted by the Centre.

Aina urged herbal manufacturers to go beyond anecdotal claims and subject their products to scientific scrutiny. He called for greater investment in efficacy studies, improved access to laboratory equipment, and the establishment of standardized animal housing for controlled research.

“We advise producers of herbal medicines to identify and isolate active ingredients in their preparations. More importantly, they must demonstrate that these ingredients work—not just that they don’t kill.”

He further cautioned the public against blind trust in herbal remedies, saying, “People need to be mindful of what they consume. A safe drug that doesn’t work is still a public health concern.”

On what the centre has achieved so far, he noted that over the last six years, the Centre has evaluated 46 herbal medicinal products for safety, conducted multiple preclinical and clinical efficacy studies, played a key role in Nigeria’s COVID-19 response, trained over 500 industrial trainees, 150 project students, 50 interns, and 80 PhD students and collaborated with universities in Nigeria and abroad.

He however, noted that challenges remain, including limited funding, inadequate laboratory infrastructure, and the growing threat of antimicrobial resistance, which Aina’s broader research also addresses.

Continuing, he said while traditional medicine remains a vital part of African healthcare culture, there is need for science to validate tradition, not replace it.

“Herbal therapy has its place—but it must be backed by evidence. That is the only way forward.”

Noting that herbal medicine has continued to grow in Nigeria and across Africa, the work of institutions like the Centre was vital in bridging the gap between traditional knowledge and modern science to ensure that the remedies are not only safe but also truly effective.

Most herbal remedies in Nigerian market safe, but ineffective – NIMR

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Nigeria to Receive Breakthrough HIV Prevention Drug This Month – NACA

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Nigeria to Receive Breakthrough HIV Prevention Drug This Month – NACA

Nigeria is set to receive Lenacapavir, a groundbreaking HIV prevention drug, in March 2026, the National Agency for the Control of AIDS (NACA) has announced.

The agency disclosed that regulatory approval has been granted by the National Agency for Food and Drug Administration and Control (NAFDAC), clearing the way for the drug’s introduction and nationwide rollout. The confirmation was contained in a statement issued on Monday by Toyin Aderibigbe, Head of Public Relations at NACA.

Lenacapavir, a long-acting injectable HIV prevention drug, has demonstrated 100 percent effectiveness in preventing HIV infection during advanced clinical trials. Unlike daily oral pre-exposure prophylaxis (PrEP) pills, the injectable medication is administered only twice a year, offering a more convenient and discreet prevention option.

NACA said the Federal Government has intensified preparations for the rollout of injectable PrEP in Nigeria, describing the initiative as a critical step toward reducing new HIV infections and strengthening national prevention strategies.

According to the agency, Lenacapavir will be made available at an affordable annual cost of about $40 per person, following voluntary licensing agreements with generic manufacturers. This pricing structure will apply across Nigeria and 119 other low- and middle-income countries, significantly expanding access to the drug.

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“The Government of Nigeria is advancing preparations for the introduction and rollout of lenacapavir as pre-exposure prophylaxis (PrEP). This underscores our commitment to strengthen HIV prevention and accelerate progress toward epidemic control,” the statement said.

As part of readiness efforts, NACA revealed that landscape and preparedness assessments have been completed in 10 states — Akwa Ibom, Anambra, Benue, Cross River, Ebonyi, Gombe, Kano, Kwara, Lagos, and the Federal Capital Territory (FCT) — alongside regulatory clearance by NAFDAC.

Nigeria currently has an estimated 1.9 million people living with HIV, with a national prevalence rate of 1.3 percent among adults aged 15 to 49. In 2021, the country recorded 74,000 new HIV infections and 51,000 AIDS-related deaths, according to official data.

Women aged 15 to 49 are more than twice as likely as men to be living with HIV, while the South-South region bears the highest burden, with an HIV prevalence rate of 3.1 percent.

Health authorities say the arrival of Lenacapavir in Nigeria could mark a major turning point in HIV prevention, particularly for high-risk populations, as the country intensifies efforts to achieve long-term epidemic control.

Nigeria to Receive Breakthrough HIV Prevention Drug This Month – NACA

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Popular Brain Supplement Amino Acid May Reduce Longevity in Men

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Popular Brain Supplement Amino Acid May Reduce Longevity in Men

Popular Brain Supplement Amino Acid May Reduce Longevity in Men

A massive study of more than 270,000 people has revealed that higher blood levels of tyrosine, a common amino acid found in protein-rich foods and popular focus-boosting supplements, are associated with shorter life expectancy in men. Researchers suggest that men with elevated tyrosine levels could live nearly one year less on average than those with lower levels, sparking questions about the long-term health effects of both diet and supplements.

The study, led by scientists from the University of Hong Kong and the University of Georgia, analyzed health, genetic, and biochemical data from participants in the UK Biobank, one of the largest population-based studies in the world. The researchers focused on tyrosine and phenylalanine, two amino acids essential to metabolism and neurotransmitter production, including dopamine, which plays a key role in mood, motivation, and cognitive performance.

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Using observational and genetic modeling techniques, the researchers found that while phenylalanine had no consistent effect on lifespan, tyrosine showed a clear and potentially causal link to reduced life expectancy in men. No similar association was observed in women, suggesting that biological and hormonal differences may influence how tyrosine affects aging in men versus women.

Scientists are still investigating why tyrosine might impact longevity. One possible explanation is insulin resistance, a risk factor for age-related diseases, which tyrosine may influence. Another theory involves stress-related neurotransmitters and hormonal pathways that may react differently in men, potentially explaining why the effect was sex-specific.

Although the study did not directly test tyrosine supplements, it raises questions about their long-term safety, particularly for men who may already have high systemic levels. Nutrition experts advise moderation and recommend monitoring protein intake. Common dietary sources of tyrosine include beef, pork, lamb, chicken, turkey, salmon, tuna, mackerel, shrimp, lobster, eggs, dairy, soy, whole grains, nuts, and seeds.

The researchers emphasized the need for further studies to confirm these findings, understand the mechanisms linking tyrosine to male longevity, and explore whether dietary or lifestyle interventions could safely reduce tyrosine levels and promote healthy aging.

Popular Brain Supplement Amino Acid May Reduce Longevity in Men

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Labour Unions Barricade NAFDAC Lagos Office Over Sachet Alcohol Ban

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Labour Unions Barricade NAFDAC Lagos Office Over Sachet Alcohol Ban

Labour Unions Barricade NAFDAC Lagos Office Over Sachet Alcohol Ban

Hundreds of workers and union members under the Nigeria Labour Congress (NLC), Trade Union Congress (TUC), and Food, Beverage and Tobacco Senior Staff Association (FOBTOB) barricaded the NAFDAC office in Isolo, Lagos on Thursday, marking the seventh consecutive day of protests over the enforcement of the sachet alcohol ban. The demonstration disrupted normal operations, with protesters blocking access to the NAFDAC premises from early morning, chanting slogans such as “No work for us, no work for you”, and demanding the immediate reopening of sealed factories, depots, and warehouses nationwide. Police officers intervened mid-morning to restore access, but union leaders vowed to continue their action until all demands are met.

The protest stems from NAFDAC’s enforcement of the ban on sachet alcohol and 10cl PET bottled products, which has led to the closure of several indigenous factories, depots, and warehouses. Union leaders argue that entire facilities — including those producing lawful products — are being shut down unnecessarily, a move they describe as “calculated economic suffocation.” Anthony Oyaga, TUC Secretary, stated: “Across the country, indigenous manufacturing companies are being sealed. Factories are being shut down. Depots are being closed. Warehouses are being locked — including those containing other lawful products not connected to the targeted items.” Protesters warned that prolonged shutdowns are threatening livelihoods, affecting not only factory workers but also transporters, suppliers, distributors, market women, artisans, and logistics personnel. They stressed that such measures could push vulnerable youths into poverty, fuel social vices, and even pose national security risks if the situation persists.

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Union leaders, including FOBTOB National Secretary Jeffery Igein, emphasised that the protests would continue until the government addresses the economic fallout of factory closures and replaces strict enforcement with targeted regulatory measures. “We are not criminals. We are workers. We are producers. We are parents. We are taxpayers. We are Nigerians,” Igein said, stressing that the protests are peaceful and lawful.

NAFDAC, led by Prof. Mojisola Adeyeye, has maintained that it has not received any official directive from the federal government to suspend enforcement. The Federal Ministry of Health and Social Welfare also affirmed that NAFDAC has the exclusive legal mandate to regulate food and drug products, including sachet alcohol. Despite this, union leaders continue to demand dialogue with policymakers and the reopening of factories, depots, and warehouses, arguing that blanket enforcement has caused unnecessary economic hardship.

The protests underscore ongoing tension in Nigeria between public health policies and economic livelihoods, highlighting the delicate balance regulators face in enforcing bans while preserving jobs and sustaining industries. Workers insist that they will maintain pressure until what they call economic strangulation is reversed and structured regulation replaces punitive closures.

Labour Unions Barricade NAFDAC Lagos Office Over Sachet Alcohol Ban

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