Vitamin B1 improves mental function

Summary This study evaluated the effects of thiamine (vitamin B1) in patients with Alzheimer’s disease. Patients received either vitamin B1 or an ineffective placebo for 3 months. 11 participants completed the study. The results demonstrated that vitamin B1 supplementation improved the mental function of Alzheimer’s patients, as compared to those taking a placebo. More details…

Vitamin B prevents decline in mental ability

Summary This study evaluated the effects of vitamin B supplementation on dementia, which is a broad category of brain diseases that cause a decline in mental ability. Data from elderly people were analyzed, revealing that B-vitamin supplementation can slow the shrinking of brain regions that are affected by Alzheimer’s disease and that are associated with…

Low blood levels of vitamins and carotenoids are related to Alzheimer’s disease

Summary This study investigated blood levels of vitamins and carotenoids in Alzheimer’s patients. Data from patients with Alzheimer’s disease were compared with data from participants without the disease. The results showed that Alzheimer’s patients had significantly lower levels of vitamin A, vitamin E and beta-carotene. In view of this result, the present study is a…

Natural compound inositol improves symptoms of Alzheimer’s

Summary This study investigated the effects of the natural compound inositol in patients with Alzheimer´s disease. The symptoms associated with this disease include difficulties with memory, language, thinking, orientation, and others. 11 patients were treated with inositol or with glucose for one month. The results showed that inositol significantly improved language and orientation in Alzheimer’s…

B vitamins slow cognitive impairment

Summary Homocysteine, an amino acid found in the blood, is a risk factor for dementia and mild cognitive impairment (MCI), a possible early stage of dementia that can involve problems with memory, language, thinking and judgment that are greater than normal age-related changes. This study evaluated whether blood levels of homocysteine can be lowered by…

Vitamin D prevents Alzheimer’s disease

Summary This study determined the relationship between dietary intake of vitamin D and dementia. 498 women without dementia, Alzheimer’s disease or other dementias were included. The intakes of vitamin D from the diet were estimated by food questionnaires. The results showed that higher intakes of vitamin D were associated with a lower risk of developing…

Vitamin E reduces risk of Alzheimer’s disease

Summary This study investigated the association between blood levels of vitamin E and the occurrence of Alzheimer’s disease among older individuals. 232 people without dementia were followed-up to 6 years to detect signs of Alzheimer’s disease. The investigation revealed that high blood levels of vitamin E were associated with a reduced risk of Alzheimer’s disease…

Omega-3 fatty acid DHA preserves brain function

Summary This review collected scientific studies on the effects of the omega-3 fatty acid docosahexaenoic acid (DHA) on brain function. A large number of studies has reported beneficial effects of dietary DHA supplementations on memory and cognition. In this publication, the authors described the important potential of DHA to preserve neuronal and brain functions. They…

B vitamins slow mental decline

Summary Homocysteine, an amino acid found in the blood, represents a risk factor for Alzheimer’s disease. This study evaluated the relationship among homocysteine, Alzheimer’s disease and levels of B vitamins in the blood. 266 participants with cognitive (mental) impairment were given either folic acid, vitamin B12 and vitamin B6 or a placebo for 2 years.…

Pycnogenol improves memory function

Summary This study examined the effects of the natural compound pycnogenol (pine bark extract) in healthy people. For 3 months, 101 elderly participants were given a daily dose of 150 mg of pycnogenol. At the beginning, during and end of the treatment, the participants completed different mental tasks, comprising memory tests and other measures. The…

Vitamin D insufficiency and deficiency are associated with Alzheimer´s disease

Summary This study evaluated the relationship between blood levels of vitamin D and Alzheimer´s disease. Data were collected from 318 participants. The results showed that vitamin D insufficiency and deficiency were associated with Alzheimer´s disease. Further details can be found in the study. References J S Buell, B Dawson-Hughes, T M Scott, D E Weiner, G E Dallal, W Q…

Micronutrient supplementations decrease health risks associated with hepatitis

Summary This study analyzed the effects of the standard treatment of hepatitis (pegylated interferon combined with ribavirin) on the blood levels of specific micronutrients (i.e. B vitamins and iron). 152 healthy participants and 109 patients with hepatitis C, an inflammatory disease of the liver, were investigated. The results revealed that hepatitis treatment depleted micronutrient levels…

Liver diseases are associated with low levels of vitamin D

Summary This publication collected scientific studies on blood concentrations of vitamin D in patients with gastrointestinal and liver disorders. The researchers discovered that low blood levels of vitamin D (hypovitaminosis D) are common among patients with gastrointestinal and liver disease. More details can be found in the study. References Helen M Pappa, Elana Bern, Daniel Kamin, Richard J…

Natural compounds are effective against liver disease

Summary This study investigated the effects of the natural compound silybin-phospholipids and vitamin E in 40 patients. The results showed that vitamin E and silybin-phospholipids had protective and anti-inflammatory effects in patients with liver disease. More details can be found in the study. References Katia Falasca, Claudio Ucciferri, Paola Mancino, Ester Vitacolonna, Domenico De Tullio, Eligio Pizzigallo, Pio Conti, Jacopo Vecchiet  …

Antioxidants protect against cadmium toxicity

Summary Cadmium is a widely distributed toxic trace metal. When exposed to this element, it can cause severe damage to the liver. This study evaluated the effects of antioxidants against cadmium-induced liver toxicity. The experiments were performed with rats. For 8 days, the animals were given cadmium and – 1 hour prior to the treatment…

Carnitine supports liver regeneration

Summary This study evaluated the effects of carnitine on liver regeneration. The experiments were performed with rats that were given either carnitine or no treatment after hepatectomy (resection of the liver by surgical operation). The results showed that carnitine increased the regeneration of the liver. Further details can be found in the study. References O…

Tea compounds protect against hepatitis

Summary This study examined the effects of catechins (tea compounds) against hepatitis, the inflammation of the liver. The experiments were performed with ducklings which were given either catechins or no treatment. The results showed that tea catechins had significant protective effects against hepatitis. More details can be found in the study. References J Li, L Zhou, Y…

Hepatitis A reduces body defenses against oxidative stress

Summary This study evaluated the relationship between blood levels of antioxidants (beta-carotene, retinol, vitamin E and vitamin C) and hepatitis A in children. Data from 19 hepatitis A patients and 29 healthy children were analyzed. The results showed that hepatitis A patients had significantly reduced blood levels of antioxidants, which are related to oxidative stress,…

Selenium and zinc protect against oxidative stress

Summary This study evaluated the protective effect of selenium and zinc against oxidative stress (imbalance between free radicals production and the body´s antioxidant defenses). The experiments were performed with rats that received cadmium, zinc and selenium in their drinking water for a period of 35 days. The results showed that selenium and zinc together protected…

Glutamine and vitamin E protect against liver damage

Summary This study investigated the effects of the amino acid glutamine, either alone or combined with vitamin E, against ischemia-reperfusion of the liver, a condition that damages organs and tissues and is an important cause of liver damage. The experiments were performed with rats. The researchers discovered that both glutamine and vitamin E showed protective…

Vitamin supplementation helps to fight liver disease

Summary This study evaluated vitamin K and vitamin D concentrations in patients with liver disorders. Data from 90 patients was analyzed. The results revealed that vitamin K and vitamin D deficiencies are common in these patients, thus indicating the need for an appropriate supplementation. Further details can be found in the study. References Leon Fisher, Elizabeth…

Liver diseases reduce blood levels of vitamins

Summary This study evaluated the relationship between liver diseases and blood levels of vitamins in children. Vitamins A, D and E were investigated in young patients with hepatitis and biliary atresia, a childhood disease of the liver in which the biliary system is compromised. The results showed that children suffering from these liver diseases had…

Low zinc concentrations are associated with cirrhosis

Summary The aim of this study was to determine zinc concentrations in the blood of children and adolescents with cirrhosis (scarring of the liver). 30 patients were investigated. The results showed that low zinc levels were common among children with cirrhosis. Therefore, the researchers pointed out that zinc supplementation should be considered for patients with…

Glutamine enhances the antioxidant defenses

Summary This study evaluated the effects of the amino acid glutamine on oxidative stress (imbalance between free radicals production and the body´s antioxidant defenses) during ischemia-reperfusion of the liver. Ischemia-reperfusion is the restoration of blood flow to body tissues that were blood flow-deficient. Ischemia-reperfusion damages organs and tissues (e.g. increasing oxidative stress) and is often…

Zinc deficiency is associated with liver disease

Summary The present study evaluated the relationship between blood levels of zinc and chronic liver disease in children. Data from 60 children suffering from chronic liver disease were compared with data from 30 healthy children. The results showed that children with chronic liver disease had lower levels of zinc, as compared to healthy children. The…

Green tea extract is effective against liver fibrosis

Summary This study examined the effects of the green tea extract epigallocatechin gallate (EGCG) on liver fibrosis (development of scar tissue in the liver). The experiments were performed using cells and rats. The results demonstrated that the administration of EGCG can be useful in the treatment and prevention of liver fibrosis. Further details can be…

Green tea compound EGCG suppresses liver inflammation

Summary This study investigated the effects of epigallocatechin gallate (EGCG), a compound found in green tea, on hepatitis (inflammation of the liver). The study was conducted using mice with liver inflammation. Treatment with EGCG suppressed inflammation and was thereby able to protect against hepatitis. More details can be found in the study. References Y Wang, Y…

Green tea extract inhibits liver fibrosis

Summary This study evaluated the effects of epigallocatechin gallate (EGCG, a compound found in green tea) on liver fibrosis, which is the development of scar tissue in the liver in response to injury or disease. The experiments were performed with rats. The results showed that EGCG can be useful in the prevention and treatment of…

A green tea compound prevents liver toxicity

Summary This study evaluated the effects of epigallocatechin gallate (EGCG), a compound found in the green tea, on liver damage. The experiments were performed with rats. The results showed that EGCG prevents liver damage and can be useful in treating patients with liver diseases. Further details can be found in the study. References Jun-Won Yun, Young-Kyung…

Micronutrient supplementation prevents liver injury

Summary This study investigated the role of micronutrients, such as selenium, vitamin C (ascorbic acid), beta-carotene and alpha-tocopherol (vitamin E), on liver injury. The experiments were performed with rats. The results suggested that supplementation with micronutrients can prevent the development of liver injury. Further details can be found in the study. References Tunc Catal, Sehnaz Bolkent…

Vitamin C supplementation protects against liver disease

Summary This study evaluated the effects of vitamin C (ascorbic acid) on secondary biliary cirrhosis, a serious form of liver disease. The experiments were performed using 40 rats. The results showed that vitamin C supplementation had a protective effect on secondary biliary cirrhosis. Further details can be found in the study. References Cynthia R Matos…

Betaine protects the liver

Summary This study evaluated the effects of the natural compound betaine on liver diseases. The experiments were performed with rats. The results showed that betaine inhibited oxidative stress (imbalance between free radicals production and the body´s antioxidant defenses), which plays an important role in the development of liver injury. Further details can be found in…

The protective effects of betaine against liver diseases

Summary The present study investigated the effects of the natural compound betaine on the development of liver diseases. The experiments were performed with mice which were administered betaine in drinking water for 2 weeks. The results suggested that betaine can be protective against liver diseases. More details can be found in the study. References Sun…

Micronutrients protect against liver damage

Summary This study evaluated the effects of a nutrient mixture on liver injury. The nutrient mixture contained micronutrients such as lysine, proline, vitamin C, and green tea extract. For 2 weeks, mice were given either a regular diet or a diet supplemented with micronutrients. The results showed that the nutrient mixture can be useful in…

Vitamin E supplementation improves bone strength

Summary This study evaluated the effects of vitamin E on bone health. Male rats were given either vitamin E or no treatment for 4 months. The researchers found that the vitamin E supplementation resulted in an improved bone structure, which contributed to stronger bones. It was therefore suggested that vitamin E can be used as…

Vitamin D supports osteoporosis treatment

Summary This study evaluated vitamin D blood levels in patients with osteoporosis. 1515 female osteoporosis patients were enrolled in the study. All patients were treated with conventional therapy. The results showed that optimal vitamin D concentrations are needed to maximize the effectiveness of conventional osteoporosis therapy. More details can be found in the study. References…

Trace element boron supports bone health

Summary This study investigated the effects of a dietary boron supplement on osteoporosis. The experiments were performed with 32 rats, 24 of which were suffering from osteoporosis. 8 rats with osteoporosis received a dietary boron supplement. After 30 days of treatment, blood levels of boron were determined and the bone conditions were analyzed. The results…

Vitamin C is essential for bone maintenance

Summary This study evaluated the relationship between vitamin C deficiency and the development of fractures caused by osteoporosis (“spontaneous” fractures). Analyses of vitamin C-deficient mice revealed a reduction of bone formation (process by which new bone is produced) by more than 90%. The researchers concluded that vitamin C is essential for the maintenance of bone…