Rosetown Natural Health

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

11/15/2025

New Study Supports Vitamin K For Your Bones
Though it gets a lot less attention than calcium or vitamin D, without vitamin K, your bones would be like chalk. This new study helps explain why.
Your bones need calcium, but they also need a hormone called osteocalcin. Osteocalcin helps attract and bind calcium to your bones. And osteocalcin is produced by vitamin K.
This new systematic review and meta-analysis of the role of vitamin K included 9 controlled studies of 2,570 postmenopausal women with osteoporosis. The form of vitamin K used was K2, a form of vitamin K that is produced by bacteria in the gut.
The meta-analysis showed that vitamin K significantly increased osteocalcin compared to a placebo, indicating that vitamin K can promote bone formation. Vitamin K also significantly increased bone-specific alkaline phosphatase, a key marker of bone formation.
This study supports the role of vitamin K in improving bone formation in postmenopausal women with osteoporosis.
Front. Endocrinol. November 2025;16:doi.org/10.3389/fendo.2025.1703116.

11/15/2025

Peanuts Power Your Brain
Peanuts get a lot of bad press. Here’s some really good press. Eating peanuts improves your memory, and now we might know why.
A new single-blind, controlled study has shown that eating 60g a day of unsalted, roasted peanuts with the skin for 8 weeks significantly improved verbal memory in healthy adults whose average age was 67 years. And the improvement was significant: delayed recall improved by 5.8%.
This is not the first time peanuts have been shown to improve memory. A previous study of young, healthy people found that eating peanuts with the skin improves memory. Specifically, it showed that peanuts improve immediate memory. Eating peanuts also significantly improved depression and anxiety (Clin Nutr. 2021 Nov;40(11):5556-5567).
But, for the first time, the new study may tell us how peanuts improve memory.
The study found that eating peanuts increased global cerebral blood flow by 3.6% compared to people who did not eat peanuts. The increased blood flow to the gray matter, which is associated with thinking and memory, was 4.5% higher.
As we age, vascular function in the brain declines. That increases the risk of cognitive decline and dementia. Peanuts reverse the effects of aging, improving blood flow to the brain. They may be able to do this because of their high concentration of L-arginine, which is crucial for vascular function and blood flow.
For those of us who are used to seeing percentages as a mark on a test, a 3.6% improvement might not seem like a lot. But, when it comes to blood flow, it’s a lot. Global cerebral blood flow decreases by 0.37% per year as we age. So, a 3.6% improvement is important.
Clin Nutr. 2025 Nov 1:55:170-179.

11/15/2025

Do Aphrodisiacs Really Work? This one Does!
Ashwagandha increases Testosterone

The fast paced, modern world has seen an increase in male sexual dysfunction. Testosterone plays a vital role in male libido. A new study shows that this herb can help both.
Ashwagandha is well known in the Ayurvedic system of medicine of India as an aphrodisiac that improves overall reproductive health in men.
This double-blind study gave either a placebo or ashwagandha to 50 men, between the ages of 21 and 45. They were all generally healthy except for having low sexual desire on the sexual desire domain of the Derogatis Interview for Sexual Functioning-Male (DISF-M) questionnaire. The dose of ashwagandha root extract was 300mg, standardized to at least 5% total withanolides, twice a day. The study lasted 8 weeks.
DISF-M scores improved significantly more in the ashwagandha group, and they improved significantly more in every domain: sexual fantasy, sexual arousal, sexual behavior, or**sm, and sexual drive.
Testosterone levels also increased significantly more in the ashwagandha group than in the placebo group.
The ashwagandha was well tolerated with no serious adverse events.
The researchers concluded that “this study supports ashwagandha root extract’s aphrodisiac effect on sexual well-being in adult men.”
Health Sci Rep. July 20, 2022;5(4):e741.

11/13/2025

New Review Supports Natural Remedies for Irritable Bowel Syndrome
Of all the many disorders of the gastrointestinal tract, irritable bowel syndrome (IBS) is the most common, affecting as many as 11%-15% of all people. 35 million Americans suffer from IBS. The conventional approach focusses only on symptom relief. Nature can do better!
Several supplements have proven their effectiveness for IBS in studies. A just published comprehensive review has examined the current research on natural remedies.
The researchers note that, since many herbs modulate intestinal motility, inflammation and pain, they may offer a more holistic approach than the symptom management of pharmaceuticals. They also note the advantage of the safety of the herbs.
Several studies have proven the effectiveness of peppermint oil, including a number of meta-analyses, and a review that demonstrated improvement in IBS symptoms when compared to placebo or drugs (Am J Health Syst Pharm 2016;73(2):22-31). A peppermint-caraway oil combination is superior to the drug cisapride (Arneimittlforschung 1999;49:925-32).
The new review explains that peppermint oil has many properties that could contribute to its ability to improve IBS. It says that peppermint oil is “a promising treatment” that has proven its efficacy in multiple controlled studies. It highlights a recent study in which peppermint oil improved people’s global assessment, IBS severity score, stool frequency and form.
Curcumin is another herbal supplement that the review says addresses IBS in multiple ways. It highlights a recent systematic review of 26 studies that demonstrated its effectiveness for IBS (Phytother. Res. 2024;38:2687–2706).
Fennel is effective for colic and digestive problems and, the researchers say, could be effective for IBS. They point to a study of fennel oil and curcumin that showed that the herbal combo reduces abdominal pain and other IBS symptoms and improves quality of life (J. Gastrointest. Liver Dis. 2016;25:151–157). A closer look at that study reveals the power of the herbal combo. There was a 50.5 point improvement on the IBS Symptom Severity Score compared to 28.85 on placebo. Significantly more people on the herbs were symptom free: 25.9% versus 6.8%. They also had a significantly greater improvement in abdominal pain: 63.8% pain reduction versus 27.1%. Quality of Life scores were also significantly higher in the herb group: 17.4 versus 7.7.
Finally, the review found that aloe vera also works. It pointed to a pooled analysis of 2 studies that found that aloe extract significantly reduces symptom severity, reduces the severity and frequency of abdominal pain and improves response rates (Ther. Adv. Gastroenterol. 2021;14:17562848211048133).
Though not mentioned in the review, another meta-analysis of aloe and IBS that included 3 controlled studies also found that aloe is superior to placebo with more people responding and a significantly greater improvement in symptoms (J Neurogastroenterol Motil 2018;24(4):528-535).
The review concludes that “several herbal treatments, particularly peppermint oil, have demonstrated efficacy in multiple randomized controlled trials, providing a relatively robust rationale for their use in IBS management.”
Int J Mol Sci. 2025 Sep 24;26(19):9345.

11/13/2025

How Important is Vitamin C for People with Kidney Disease?
Chronic kidney disease is more common than you’d think. More than 1 in 7 American adults have chronic kidney disease, and it is a leading cause of death in the US. Could something as simple as vitamin C help?
People with chronic kidney disease are at increased risk for vitamin C deficiency, and that lower vitamin C is associated with an increased risk of death.
A just published study has found that the highest vitamin C levels are found in people free of chronic kidney disease, while the lowest levels being found in people with stage 4 or 5 kidney disease. 56% of people with chronic kidney disease had inadequate or deficient levels of vitamin C. Even in healthy people, kidney function was positively associated with higher levels of vitamin C.
This study shows that, whether you are healthy or have chronic kidney disease, worse kidney function is associated with lower levels of vitamin C. The researchers suggest that people with advanced chronic kidney disease get more vitamin C through supplements and diet by eating more fruits and vegetables.
Am J Clin Nutr. September 10, 2025 (article in press).

11/07/2025

Huge Study Demonstrates Spirulina’s Benefits for Cardiovascular Health
Cardiovascular disease is the leading cause of death in the world. One of the tiniest supplements in nature could help the largest health problem in the world.
Cardiovascular disease includes coronary artery disease, angina, stroke, heart attack and congestive heart failure. Important risk factors include high blood pressure, cholesterol problems, diabetes, unhealthy diet and lifestyle, smoking, excessive alcohol, inflammation, oxidative stress and obesity. Importantly, these are, too a large extent, within our control. And, according to the American Heart Association, the fundamental goal in preventing cardiovascular disease is reducing these risk factors.
Spirulina, a blue-green microalgae, has the power to address many of these risk factors. This meta-analysis set out to see just how well it can do it.
The meta-analysis included 35 controlled studies published between 2000 and 2024. Combined, the studies included 1,523 people.
The results showed that spirulina significantly lowered triglycerides, total cholesterol and the unhealthy LDL cholesterol while raising the healthy HDL cholesterol. It significantly lowered both systolic and diastolic blood pressure.
Spirulina also significantly reduced fasting blood glucose, insulin and insulin resistance.
Both weight and body mass index were significantly improved by spirulina.
Markers of inflammation, including TNF-α, IL-6 and C-reactive protein, were all significantly reduced.
If you look back at the risk factors that need to be controlled, you’ll notice that spirulina controls almost all of them. Add that spirulina is powerfully antioxidant and loaded in nutrients, including being a complete protein that is rich in essential fatty acids; vitamins, including B12; and minerals, and it looks like a perfect fit for preventing cardiovascular disease. Importantly, spirulina is also safe.
Complementary Therapies in Medicine. November 2025;94:103242

11/07/2025

Saffron Helps PMS & Painful Periods
Premenstrual syndrome and painful periods are ridiculously common problems for women. A growing body of evidence is showing that the herb saffron can safely help both.
The first systematic review and meta-analysis examined saffron for premenstrual syndrome (PMS). The meta-analysis, which included 3 controlled studies, showed that saffron was significantly better than controls for PMS. It concluded that 8-12 weeks of taking saffron was effective at reducing the symptoms of PMS and that it might cause fewer side effects than drugs (Rev Clin Med. 2025;12(2):17-25).
The second systematic review and meta-analysis examined saffron for both PMS and dysmenorrhea, or painful periods. The meta-analysis showed that saffron significantly improved the symptoms of both PMS and dysmenorrhea (Korean J Fam Med. 2025 Oct 28. doi:10.4082/kjfm.24.0259).
These meta-analyses, both published this year, suggest that, among saffron’s many benefits, are benefits for women, including improving the symptoms of PMS and painful periods.

10/24/2025

Can Eating Mango Help Control Prediabetes?
More than 130 million Americans have prediabetes or diabetes. By 2030, 40% of American adults are projected to have prediabetes. Research has shown that nutrition can help. Can sweet, delicious mango?
Lifestyle is more effective than drugs for diabetes. Whereas metformin can reduce incidence of type 2 diabetes by 31%, lifestyle changes can reduce it by 58% (NEJM. 2002;346:393–403).
Previous preliminary studies have suggested that mango can help manage blood sugar (Nutr Metab Insights 2014;7:77-84; FASEB Journal 2017;31(1)suppl431.3).
Now, a new study of 23 prediabetics compared eating a mango a day for 24 weeks to eating a control granola bar of the same calories.
After 24 weeks, the mango eaters had significantly lower fasting glucose than the control group. HbA1c, the most important marker of long term blood sugar and diabetes control, remained unchanged in the control group but improved significantly in the mango group. Insulin resistance and insulin sensitivity was significantly better in the mango group.
While measures of body fat remained unchanged in the control group, body fat percentage and fat-free mass both improved significantly in mango group.
This new study adds to the evidence that fruits and vegetables have a positive effect on glycemic control. Specifically, it shows that even the sweet, delicious mango benefits glycemic control and improves body composition in a manner that could help reduce the risk of type 2 diabetes.
Foods. 2025 Aug 26;14(17):2971.

10/24/2025

Soft Drinks May Contribute to Depression
You’ve already heard that you are what you eat. Turns out, you are also what you drink. Something as simple as your choice of beverage could influence your risk of depression.
Soft drinks have been associated with a number of physical and mental health problems, but not much was known about their effect on depression until now.
This new study found that drinking soft drinks is associated with a significant 8% increase in the risk of depression and with more severe depressive symptoms. The association was especially strong in women.
Interestingly, soft drinks seem to contribute to depression by altering the gut microbiota.
This study suggests not only that soft drinks can contribute to depression but adds to the considerable body of evidence that improving the gut microbiome can improve depression.
JAMA Psychiatry. Published online September 24, 2025;doi:10.1001/jamapsychiatry.2025.2579.

10/24/2025

A Spicy Treatment for Diabetic Neuropathy
Up to half of all people with diabetes will develop diabetic neuropathy over the course of their disease. A safe, simple, topical herbal cream can help.
Diabetic neuropathy is caused by peripheral nerve damage that causes numbness, tingling, burning, pain and weakness in the fingers, legs and feet. It can lead to further problems, like foot ulcers and infections.
Drugs that are used for diabetic neuropathy focus on pain management rather than treating the underlying condition, and they are associated with significant side effects.
Capsaicin is an active component in chili peppers with anti-inflammatory and pain-killing properties. This systematic review put together the evidence from 18 studies of capsaicin for treating diabetic neuropathy.
The conclusion was that a 0.075% capsaicin cream applied to the painful areas 4 times a day for 8 weeks reduces pain intensity and improved pain relief. As a bonus, perhaps because of the pain relief, the topical herbal application also improved sleep quality.
Capsaicin cream not only works, but, unlike the drugs, it works safely: the herbal cream was well tolerated in the studies. It safely improved pain, walking, working and sleeping.
Biomed Pharmacother. September 2022;153:113439.

10/17/2025

Ashwagandha Helps People with Mild Cognitive Impairment
Seniors with mild cognitive impairment have more trouble with memory and thinking than expected with aging, but the trouble is not serious enough to cause the more catastrophic problems of Alzheimer’s Disease. A remarkable 42% of seniors are affected by it.
This 60 day double-blind study found that, compared with placebo, 250mg of ashwagandha extract significantly improved all of immediate, general and working memory, response and visuospatial processing. On a memory assessment scale, there was a 14.77% improvement, and on assessment of cognitive impairment and dementia, there was a 19.21% improvement.
Journal of Psychopharmacology. Mar 2025;39(4): 2698811251324377.

10/17/2025

This Tasty Dietary Change Could Help Lower Your Blood Pressure
Recent research is proving this nutrient to be great for your heart. And nature provides a delicious abundance of it.
A group of powerful flavonoids known as flavan-3-ols–sometimes known as catechins or flavanols–is proving to safely and powerfully reduce blood pressure. These nutrients are found in dark chocolate, green tea, apples, grapes and some berries.
A new meta-analysis of 145 controlled studies, and 5205 people, has now shown just how powerful these flavonoids are. The studies included epicatechin, epigallocatechin-gallate, cocoa products, tea, grape extract and apples. The amount of flavan-3-ols was about 586mg, or the amount found in 2-3 cups of green tea, 2 tablespoons of cocoa powder or 2 apples.
The flavan-3-ols dropped systolic blood pressure by 2.8 mmHg and diastolic blood pressure by 2.0 mmHg. Ambulatory blood pressure dropped by 3.7 mmHg. When people actually had high blood pressure, the results were even more impressive. Blood pressure measured in the doctor’s office dropped by 5.9 mmHg, and ambulatory blood pressure dropped by 6.8 mmHg. That is comparable to some blood pressure medications, but the flavonoids were extremely safe.
This study establishes the flavan-3-ols flavonoids found in green tea, dark chocolate and other foods as a safe and powerful way to help lower blood pressure.
Eur J Prev Cardiol. 2025 Oct 10;32(14):1322-1334.

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