Rosetown Natural Health

Rosetown Natural Health Serving Rosetown and area since 1987, Rosetown Natural Health offers quality health food and supplements.

06/05/2026

Sleeping Better With Blueberry Leaf Tea
Fruits and berries get all the attention. But every once in a while, the leaf emerges from the shadows and gets the spotlight, as in olive leaf extract and raspberry leaf tea. Meet the leaf of the blueberry bush.
Blueberries are famous for their massive antioxidant content. But the leaves are also rich in polyphenol antioxidants, some of which may convert into quercetin and then may positively affect serotonin and melatonin.
This small double-blind study gave adults with poor sleep quality either a placebo tea or blueberry leaf tea 3 times a day for 2 weeks.
Sleep efficiency measures how much of the time you are in bed trying to sleep is spent actually sleeping. It improved significantly more in the blueberry leaf tea group. It improved from 80.7 to 83.7 but only from 81.2 to 81.8 in the placebo group.
Measures of how much time was spent awake after initially falling asleep were also significantly better in the blueberry leaf tea group. Time spent awake decreased from 74.7 minutes to 59.7 minutes in the blueberry leaf group but only from 76.7 minutes to 73.7 minutes in the placebo group.
The study also found that people with worse sleep efficiency and time spent awake at the start of the study had greater improvement on the blueberry leaf tea, meaning it helps people who need it the most the most.
The blueberry leaf tea was well tolerated with no adverse events.
This study introduces blueberry leaf tea as a safe, simple, natural way to improve your sleep.
Nutrients. 2026 Jan 30;18(3):453.

06/05/2026

Legumes & Soy: A Really Simple Way to Lower Your Blood Pressure
Here’s the problem: high blood pressure affects 1.4 billion people and is a huge risk factor for cardiovascular disease. Here’s the hope: high blood pressure is one of the most modifiable risk factors for cardiovascular disease. Now here’s the best news: modifying the risk may be way easier than you thought.
This new meta-analysis of all the research on the effect of eating legumes or soy on blood pressure published up until June 2025 included 12 studies. There were 309,853 people in the legumes studies and 278,200 people in the soy studies. Legumes included beans, peas, chickpeas and lentils. Soy included soybeans, tofu and fermented soy products.
The results were game changing. People who ate the most legumes were 16% less likely to have high blood pressure than the people who ate the least, and the people who ate the most soy were 19% less likely. At about 170g a day, the reduction reached 30% for legumes. At 60-80g a day of soy, the reduction reached 28-29%.
To give you an idea how easy that is to achieve, 100g is about one cup, or 5-6 tablespoons of cooked legumes, including soybeans, or about a palm size serving of tofu.
This study provides an affordable, simple, safe and delicious way to drastically reduce your risk of high blood pressure.
BMJ Nutrition, Prevention & Health. 2026:e001449.

06/05/2026

Ginger Takes On Hay Fever
It’s been a terrible season for hay fever! Pollen counts have been very high. But ginger is up to the task!
Allergic rhinitis, more commonly known as hay fever, is a hypersensitive inflammatory reaction of the nasal membrane to allergens, like pollen. Its annoying symptoms include itching, sneezing, congestion, runny nose, sleep disturbances and even cognitive dysfunction.
Studies have suggested that ginger is effective against hay fever. And there could be many reasons why: ginger is powerfully anti-inflammatory, antioxidant, and immunomodulatory.
A new systematic review and meta-analysis of 15 controlled studies has put ginger to the test against hay fever. It passed!
The meta-analysis included both studies that looked at ginger alone and studies that looked at formulas that included ginger.
The combined data showed that ginger significantly improves itching, runny nose, sneezing and total nasal symptoms. Importantly, it also significantly improves quality of life. The improvements were greater than placebo and as good as drugs.
Beyond the symptoms, ginger also seemed to address the causes, significantly reducing eosinophil counts. Eosinophils are a type of white blood cell that are involved in your body’s inflammatory response to allergies.
This meta-analysis adds to the evidence that ginger may be an important herb for bringing you relief from hay fever.
Pharm Biol. 2026 May 25;64(1):749–763.

05/23/2026

What Happens When You Put Two Great Blood Pressure Supplements Together?
Olive leaf extract and potassium have both individually proven their value for blood pressure. So, what happens when you put them together? Lots!
It’s crazy, but 22.6% of Canadian adults have high blood pressure. Crazier still is that nearly half of Americans over the age of 20 do. Worse, only 24% of Americans with high blood pressure have it under control.
This new double-blind study gave either an olive leaf extract-potassium combo or a placebo to 68 adults with mild to moderate high blood pressure. The supplement contained 1000mg of olive leaf extract standardized for at least 160 mg oleuropein and 300mg of potassium. The study lasted 12 weeks.
When blood pressure was monitored at home, diastolic blood pressure showed a trend to greater improvement than the placebo, but it did not reach significance. However, the more important systolic blood pressure dropped significantly more than the placebo. The drop in both systolic and diastolic blood pressure was clinically significant.
But that’s not all the natural supplement did. It significantly and clinically improved blood lipids, including a significant improvement in total cholesterol, LDL-cholesterol and triglycerides.
This study supports the use of a combination of olive leaf extract and potassium as a safe, effective natural aid for improving blood pressure and cholesterol, potentially helping to prevent cardiovascular disease.
Phytomedicine. June 2026:doi.org/10.1016/j.phymed.2026.158138.

05/23/2026

Want to Protect Your Kids from Respiratory Infections? Try Vitamin C.
Kids are especially susceptible to respiratory infections. Tons of studies have established vitamin C’s ability to protect against respiratory infections in adults. But not much research has been done on vitamin C for kids. Until now.
The common cold, sore throat, sinusitis, pneumonia and bronchitis are all respiratory infections. Because kids have immature immune systems, they are especially susceptible. 14% of all deaths in kids under 5 are due to pneumonia.
This new study suggests that maintaining optimal levels of vitamin C can help.
The large study included 1,344 young people between the ages of 6 and 19. The results showed that higher levels of vitamin C were associated with a lower risk of respiratory infection. Compared to the group with the lowest levels of vitamin C, those with the highest had a significant 50% lower risk of respiratory infection.
The researchers conclude that the results “underscore the significance of maintaining optimal vitamin C levels.” They say the results “suggest that vitamin C supplementation may be potentially used for the prevention and treatment of RIs among children and adolescents.”
Front Nutr. 2025 Jun 5;12:1601218.

05/23/2026

Pomegranate Enhances Longevity
In the search to increase longevity, one promising candidate is pomegranate.
Among the root causes of many diseases are inflammation and oxidative stress. A recent meta-analysis has demonstrated that pomegranate significantly reduces both (Inflammopharmacology. 2023 Oct ;31(5):2283-2301).
But a new study introduces a novel way that pomegranate might contribute to longevity.
GF-1 is a hormone that plays a role in longevity. It may even be a biological marker of ageing.
This just published study of 72 adults between 55 and 70 found that taking 740mg of a pomegranate extract standardized for 30% punicalagin polyphenols significantly increased levels of IGF-1 compared to a placebo that had no significant effect.
The study concludes that by elevating IGF-1 levels, pomegranate extract has the “potential to support healthy aging in older adults.”
Nutrients. 2025 Sep 16;17(18):2974.

05/12/2026

Eat Healthy to Keep Your Mind Young!
This massive new study shows that two healthy, plant-based diets can help keep your brain healthy and young.
Cognitive decline with aging follows a trajectory that starts with subjective cognitive decline and can progress as far as dementia and Alzheimer’s.
Diet is emerging as a promising way to prevent that from happening. Two of the most promising are the Mediterranean diet and the MIMD diet. They have a heavy focus on plant food in common. The Mediterranean diet leans on fruits, vegetables, whole grains, legumes and olive oil with a very limited intake of meat. The related MIND diet emphasizes foods that are most relevant for brain health, like leafy greens and berries.
This new study was massive and long lasting, following 130,240 women and men for 43 years. The results were spectacular.
When it came to dementia, compared to people who least adhered to the Mediterranean diet, those who most adhered to it had a 21% lower risk of dementia. With the MIND diet, the reduction in risk was 14%.
When it came to objective measures of cognitive decline, high adherence to the Mediterranean diet delayed cognitive aging by 1.52 years. The MIND diet slowed it by 1.17 years.
And when it came to subjective cognitive decline, people who most faithfully followed a Mediterranean diet had a 40% lower risk of subjective cognitive decline. For the MIND diet the benefit was a 42% lower risk.
This massive study shows that, from early stage cognitive decline to late stage cognitive decline, the Mediterranean and MIND diets are associated with reduced risk of subjective cognitive decline, slower cognitive aging and protection from dementia. It holds out the promise that healthy, plant-based diets preserve cognitive function and that easy-to-make dietary changes can help prevent cognitive decline.
Alzheimers Dement. 2026 Mar 25;22(3):e71324.

05/12/2026

Is Magnesium Part of the Answer to Diabetic Retinopathy?
80% of diabetics are affected by diabetic retinopathy. New research suggests that low levels of magnesium could be an important contributor to this important problem.
Diabetic retinopathy is one of the leading causes of preventable blindness. This new meta-analysis gives an important clue for how to prevent it.
This meta-analysis of studies on magnesium and diabetic retinopathy included 17 studies of 1100 diabetics with diabetic retinopathy and 1132 diabetics without diabetic retinopathy.
The important finding was that those with diabetic retinopathy had significantly lower levels of magnesium.
How big a finding could this be? The difference between the two groups was about 0.3 mg/dL of magnesium. Previous research has found that each 0.243 mg/dL increase in magnesium is associated with a 20% reduction in the risk of diabetic retinopathy, suggesting the potentially exciting clinical relevance of magnesium.
This new study reveals a significant association between magnesium levels and diabetic retinopathy and recommends that doctors and ophthalmologists “consider assessing and correcting magnesium levels in patients with diabetes.”
Nutrients. 2026 Apr 6;18(7):1162.

05/12/2026

Aromatherapy: Scent Yourself to Sleep
This meta-analysis included 10 studies of aromatherapy on people over 60 who suffered from sleep disorders.
All 10 studies showed a positive effect of aromatherapy on sleep. The combined meta-analysis revealed that the effect was significant compared to control groups.
There was also significant benefit for anxiety and depression.
The most commonly used aromatherapy was lavender, sometimes in combination with sweet orange and bergamot.
Medicine (Baltimore). 2024 Dec 6;103(49):e40688

05/05/2026

Whatever the Cause of Your Nausea, Peppermint Essential Oil Helps

Nausea and vomiting are common problems of anesthesia from surgery, chemotherapy for cancer, and pregnancy. Whatever the cause, the research shows that peppermint essential oil can help.
Serotonin is a neurotransmitter best known for preventing depression and insomnia. Less known is that there are serotonin receptors in your digestive tract. Even less known is that peppermint essential oil has been shown to block the serotonin receptors in your gastrointestinal tract that trigger nausea and vomiting.
So, could inhaling peppermint essential oil help prevent the nausea and vomiting caused by anesthesia, chemotherapy and pregnancy? The answer, according to this new meta-analysis of 19 controlled studies, is yes.
The study found that inhaling peppermint essential oil significantly improves postoperative nausea and vomiting for 2-6 hours following surgery.
When people underwent chemotherapy, the peppermint essential oil significantly improved nausea and vomiting at 24 hours, 48 hours, 72 hours and still at 96 hours.
When it comes to pregnancy, peppermint was significantly helpful at 46 and 96 hours.
This meta-analysis suggests that inhaling peppermint essential oil is effective for managing nausea and vomiting from multiple causes.
J Clin Med. July 17, 2025;14(14):5069.

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