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Welcome to the Quality Counts. For those health conscious consumers and medical professionals that are looking to purchase nutritional supplements, vitamins, herbs, learning about medications, losing weight, health food, low carbs, high protein nutrition, and exercise, you have come to the right place. Quality Counts serves both the medical practitioner and consumer interested in nutritional therapy and alternative medicine.
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Anti-aging Research > Magnesium
Magnesium
Specific Recommendations:
News & Research:
- Why you need to go with a supplement with the right
calcium, magnesium, zinc, copper ratio such as Body Wise
Essential Calcium
- Magnesium--A Forgotten Mineral - Health &
Nutrition Breakthroughs, 9/97 -
"Excess calcium and phosphate also interfere with magnesium absorption.
(Thus, taking calcium supplements without adding magnesium could result in
magnesium deficiency.)"
- Inhibitory effects of zinc on magnesium balance and magnesium absorption in
magnesium absorption in man - J Am Coll Nutr. 1994
Oct;13(5):479-84 - "the overall effect
of the high Zn intake of the three groups combined, regardless of the Ca
intake, was a highly significant decrease of Mg absorption and of the Mg
balance"
- Zinc -- The Immune System's Missing Link? - Health
& Nutrition Breakthroughs, 12/97 -
"Supplementing with zinc is quite safe--its only significant side effect is
lowered copper levels in the body tissues, since the two minerals compete
for absorption. Considering zinc's safety, people should consider taking
zinc supplements, especially as they age--being sure to include copper in
the proper balance. Most practitioners who supplement their patients' diets
with zinc also recommend taking copper at a ratio of 10 mg to 15 mg zinc for
each milligram of copper."
-
Calcium, Keep What You Take - Life Extension Magazine, 3/99 -
"The final study was a two-year, placebo controlled trial on 225
postmenopausal women. One group received calcium supplements only, the
second group zinc, manganese and copper, the third group received calcium
plus zinc, manganese and copper, while the fourth group received a placebo.
After two years, the only group who experienced an improvement in bone
mineral density was the group taking calcium plus zinc, manganese and
copper" - [Abstract]
- Magnesium: The Multi-Purpose Mineral - Think
Muscle Newsletter -
"If you take high amounts of calcium daily, you may have a magnesium
deficiency. Most experts suggest that your calcium: magnesium ration should
be 2:1. In other words, if you take 1500 mg of calcium daily through diet
and supplementation, you should try to consume at least 750 mg of magnesium
daily as well"
-
Magnesium
- Vitacost Health Library
-
Magnesium for Sports & Fitness
- Vitacost Health Library
- Magnesium - The Natural Pharmacist
-
Magnesium linked to fewer gallstones - Nutra USA, 2/26/08 -
"After adjusting the results to account for age
differences, which may affect the results, Tsai and co-workers calculated
that men with the highest levels of magnesium intake (454 mg/d) were 28 per
cent less likely to develop gallstones, compared to men with the lowest
average intake (262 mg/d)" - [Abstract]
- Magnesium
Supplements review - ConsumerLab.com, 10/31/07
-
Magnesium Intake May Cut Risk of Gallstones - Medscape, 2/22/08 -
"Magnesium deficiency is known to cause elevated
triglyceride levels and decreased HDL cholesterol levels, both of which may
raise the risk of gallstones ... Compared with the lowest quintile of total
magnesium intake (median 262 mg/day), the highest quintile of intake (454
mg/day) reduced the risk of gallstone disease by 33%"
-
Migraine Patients May Benefit From Magnesium or CoQ10 - Clinical
Psychiatry News, 8/07 - "The most important
supplement, according to Dr. Mauskop, is magnesium. “It's known that up to
50% of people with acute migraine have a magnesium deficiency. … It is much
more effective to treat them with a product they're deficient in rather than
using drugs,” ... Research has found that, for migraine, CoQ10 at 300 mg/day
is effective, and that for Parkinson's disease 1,200 mg/day is effective"
-
Grain Fiber And Magnesium Intake Associated With Lower Risk For Diabetes
- Science Daily, 5/14/07 - "those
who consumed the most cereal fiber had a 33 percent lower risk of developing
diabetes than those who took in the least, while those who consumed the most
magnesium had a 23 percent lower risk than those who consumed the least.
There was no association between fruit or vegetable fiber and diabetes risk"
-
Dietary Magnesium May Reduce Risk for Diabetes in Black Women -
Medscape, 10/9/06 - "41,186 women
enrolled in the Black Women's Health Study ... Higher magnesium intakes in
the highest vs the lowest quintile were associated with lower incidence of
diabetes mellitus with an adjusted HR of 0.69"
-
Magnesium supplements could help asthmatics, says study - Nutra USA,
7/5/06
- Need
More Magnesium? - Dr. Weil, 6/29/06 -
"a diet rich in magnesium appears to protect against metabolic syndrome, a
combination of risk factors that can lead to diabetes and heart disease"
-
Magnesium
Lowers Heart, Diabetes Risks - WebMD, 3/27/06 -
"people in the study who consumed
the most magnesium had a 31% lower risk of developing metabolic syndrome,
compared with people who ate the least"
-
Magnesium Prevents Osteoporosis - Healthwell, 2/9/06 -
"a higher magnesium intake was
associated with greater whole-body bone mineral density, after adjusting for
calcium and vitamin D intake, level of exercise, use of estrogen medication,
and other factors known to be related to bone health"
-
More support for magnesium against colon cancer - Nutra USA, 1/31/06 -
"The hazard ratio, a measure of the
risk, was statistically 25 per cent lower for the volunteers with the
highest intake of magnesium (more than 356 mg per day)"
-
Magnesium In Your Diet Could Lead To Stronger Bones - Science Daily,
12/22/05
-
Dietary Magnesium Could Lead to Stronger Bones
- Doctor's Guide, 12/21/05 -
"For every 100 milligram per day
increase in magnesium intake, data showed a 1% increase in bone density ... this
link was only true for the older white men and women"
-
Magnesium could reduce osteoporosis risk - Nutra USA, 12/8/05 -
"Higher Mg intake through diet and
supplements was positively associated with total-body [bone mineral density]
BMD in older white men and women. For every 100 mg per day increase in Mg,
there was an approximate 2 per cent increase in whole-body BMD"
-
Magnesium Intake
and Bone Mineral Density - Medscape, 11/8/05 -
"The mean intakes of Mg by race-sex
subgroup are listed in Table 2 . Less than 26% of the cohort met the RDA for
Mg ... twenty-five percent of the cohort took a Mg-containing supplement;
the mean dose was 83 mg ... RDA of 420 mg/d" - See
iHerb
or
Vitacost
magnesium products.
-
Magnesium Deficiency in Obese Children May Be Linked to Insulin Resistance
- Medscape, 5/9/05 - "Magnesium
deficiency in obese children is associated with the development of insulin
resistance"
- Focus on Magnesium - Dr. Murray's Natural Facts,
3/3/05 -
"Double-blind studies in people with CFS have shown magnesium
supplementation significantly improved energy levels, better emotional
state, and less pain"
- MIT: Magnesium May Reverse Middle-age Memory Loss
- Science Daily, 12/27/04 - "In the
cover story of the Dec. 2 issue of Neuron, MIT researchers report a possible
new role for magnesium: helping maintain memory function in middle age and
beyond ... magnesium helps regulate a key brain receptor important for
learning and memory"
- What to take to keep diabetes at bay - Delicious
Living, 12/04 -
"Recent research suggests that magnesium keeps blood sugars from rising too
high, thus staving off diabetes"
-
Magnesium in Hypertension Prevention and Control - Life Extension
Magazine, 9/04 - "Magnesium is one
of the body’s most important minerals. ... Magnesium is a major factor in
relaxing the smooth muscles within the blood vessels, thereby reducing
peripheral vascular resistance and blood pressure.11-13 In addition,
magnesium reduces nerve and muscle excitability, stabilizes cardiac
conductivity, and influences neurochemical
transmission.11,13,14 Magnesium also affects circulating levels of
norepinephrine and the synthesis of serotonin and nitric oxide"
- Americans Need More Magnesium in Diet - WebMD,
7/23/04 - "nearly two-thirds of us
may not be getting enough magnesium ... Adult men need 400-420 mg/day while
adult women need 310-320 mg /day"
- Lack Energy? Maybe It's Your Magnesium Level
- Science Daily, 5/10/04 - "inadequate magnesium is
associated with a need for increased oxygen during exercise. They found that
during moderate activity, those with low magnesium levels in muscle are
likely to use more energy—and therefore to tire more quickly—than those with
adequate levels" - See
iHerb
or
Vitacost
magnesium products.
- Magnesium may
reduce risk of diabetes - MSNBC, 5/7/04 - "The
conclusions of these three studies are generally supported by earlier large
population studies. Laboratory studies suggest that magnesium influences the
action of insulin in the body. A lack of magnesium may worsen insulin
resistance, triggering the onset of diabetes" - See
iHerb
or
Vitacost
magnesium products.
-
Magnesium Helps Prevent Arrhythmia After Cardiac Surgery - Doctor's
Guide, 3/10/04
- Low Magnesium Intake May be Associated with Increased Risk for Type 2
Diabetes - Doctor's Guide, 1/6/04 -
"Statistical analyses revealed a significant inverse association between
magnesium intake and risk of type 2 diabetes"
- Magnesium Lowers Type 2 Diabetes Risk - WebMD,
12/23/03
- Dietary Magnesium May Help Prevent Development of Type 2 Diabetes
- Medscape, 12/23/03 -
"Magnesium-containing foods can prevent development of type 2
diabetes in both men and women ... Comparing the highest with the lowest
quintile of total magnesium intake ... was 0.66 ... in women and 0.67 in
men"
-
Does taking extra magnesium help prevent heart disease? - Natural Foods
Merchandiser, 11/03
- Magnesium Deficiency Associated with Insulin-Resistance Syndrome
- New Hope Natural Media, 6/12/03
- Magnesium Beneficial for Urinary Urge Incontinence
- New Hope Natural Media, 3/20/03
- Magnesium Plus Albuterol More Effective Than Albuterol Alone in Asthma
- Medscape, 10/21/02
- Low Dietary Magnesium Changes Cardiac Rhythm -
Doctor's Guide, 3/4/02 - "Low
intakes of dietary magnesium may increase supraventricular
ectopy
... people who live in areas with soft water, who use diuretics, or who are
predisposed to magnesium loss may need to take in more dietary magnesium
than others ... Magnesium is central to a variety of cellular mechanisms
that control activity of muscle and nerve cells. Cardiac muscle seems to
have been more sensitive to this intake than was skeletal muscle ... They
point out some women may habitually eat a diet similar to the one in this
study and for long periods of time"
- Magnesium Abnormalities Key In Dermatomyositis? -
Doctor's Guide, 2/27/02
- Adequate Magnesium Intake Reduces Risk For Cardiovascular Disease Type 1
Diabetics - Doctor's Guide, 1/18/02
- Magnesium
Shows Promise for Thrombolysis-ineligible Cardiac Patients
- Doctor's Guide, 11/14/01
- Got Magnesium? Those With Heart Disease Should -
WebMD, 11/9/00 - "Similar magnesium
supplements are available over-the-counter in the U.S., but they might not
provide similar benefits. "The product we used is from Germany, where
supplements of this kind are regulated and quality is monitored," Merz says.
"Because that is not the case in the U.S., it is impossible to know what you
are getting in a supplement, or even whether it contains any magnesium at
all.""
- More Than Half of All Women Report: 'We're Stressed!', Experts Say Diet,
Supplements May Be the Answer - WebMD, 6/2/00 -
""Stress affects nutrient needs by reducing absorption, increasing
excretion, [and] altering how the body uses -- or increasing the daily
requirements for -- certain nutrients," she says. For example, the body
releases stress hormones, such as cortisol, during stressful times, and
these stress hormones deplete your body's supply of magnesium -- an element
that plays a role the body's use of energy."
- Low Magnesium Levels May Strongly Foreshadow Diabetes Development in Whites
- WebMD, 10/18/99
- Potassium-Magnesium Citrate Effective In Correcting Thiazide-Induced Side
Effects - Doctor's Guide, 11/13/98
Abstracts:
-
Long-term effect of magnesium consumption on the risk of symptomatic
gallstone disease among men - Am J Gastroenterol. 2008 Feb;103(2):375-82
- "The age-adjusted relative risks (RRs) for men
with total magnesium intake and dietary magnesium, when the highest and
lowest quintiles were compared, were 0.67 (95% confidence interval [CI]
0.59-0.77, P for trend <0.0001) and 0.67 (CI 0.59-0.76, P for trend
<0.0001), respectively. After adjusting for multiple potential confounding
variables, when extreme quintiles were compared, the multivariate RR of
total magnesium intake (RR 0.72, CI 0.61-0.86, P for trend = 0.006) and
dietary magnesium (RR 0.68, CI 0.57-0.82, P for trend = 0.0006) remained
significant with a dose-response relationship ... Our findings suggest a
protective role of magnesium consumption in the prevention of symptomatic
gallstone disease among men"
-
Long-Term Effect of Magnesium Consumption on the Risk of Symptomatic
Gallstone Disease Among Men - Am J Gastroenterol. 2007 Dec 12 -
"Our findings suggest a protective role of magnesium
consumption in the prevention of symptomatic gallstone disease among men"
-
Magnesium intake and risk of type 2 diabetes: a meta-analysis - J Intern
Med. 2007 Aug;262(2):208-14 - "The overall relative
risk for a 100 mg day(-1) increase in magnesium intake was 0.85"
-
Fiber and Magnesium Intake and Incidence of Type 2 Diabetes: A Prospective
Study and Meta-analysis - Arch Intern Med. 2007 May 14;167(9):956-65 -
"Higher cereal fiber and magnesium
intakes may decrease diabetes risk"
-
Rapid recovery from major depression using magnesium treatment - Med
Hypotheses. 2006 Mar 14 - "Case
histories are presented showing rapid recovery (less than 7 days) from major
depression using 125-300mg of magnesium (as glycinate and taurinate) with
each meal and at bedtime. Magnesium was found usually effective for
treatment of depression in general use"
-
Magnesium intake and colorectal cancer risk in the Netherlands Cohort Study
- Br J Cancer. 2007 Feb 12;96(3):510-3 -
"Statistically significant inverse
trends in risk were observed in overweight subjects for colon and proximal
colon cancer across increasing quintiles of magnesium uptake"
-
A randomized controlled study of effects of dietary magnesium oxide
supplementation on bone mineral content in healthy girls - J Clin
Endocrinol Metab. 2006 Oct 3 -
"Magnesium (300 mg elemental Mg per day in 2 divided doses) or placebo,
given orally, for 12 months ... Significantly increased accrual (P = 0.05)
in integrated hip BMC occurred in the Mg-supplemented vs. placebo group"
-
Potassium magnesium supplementation for four weeks improves small distal
artery compliance and reduces blood pressure in patients with essential
hypertension - Clin Exp Hypertens. 2006 Jul;28(5):489-97 -
"magnesium, 70.8 mg/d; potassium,
217.2 mg/d ... On K+ and Mg2+ supplementation, systolic and diastolic BP
decreased 7.83 +/- 1.87 mm Hg and 3.67 +/- 1.03 mm Hg"
-
Oral magnesium supplementation in asthmatic children: a double-blind
randomized placebo-controlled trial - Eur J Clin Nutr. 2006 Jun 21 -
"Oral magnesium supplementation
helped to reduce bronchial reactivity to methacholine, to diminish their
allergen-induced skin responses and to provide better symptom control in
pediatric patients with moderate persistent asthma treated with inhaled
fluticasone"
-
Magnesium intake from food and supplements is associated with bone mineral
density in healthy older white subjects - J Am Geriatr Soc. 2005
Nov;53(11):1875-80 - "Greater
magnesium intake was significantly related to higher BMD in white women and
men"
-
Magnesium Intake, C-Reactive Protein, and the Prevalence of
Metabolic Syndrome in Middle-Aged and Older U.S. Women
- Diabetes Care. 2005 Jun;28(6):1438-1444 - "women in the highest
quintile of magnesium intake had 27% lower risk of the metabolic syndrome
... compared with those in the lowest quintile of intake"
-
Magnesium intake in relation to risk of colorectal cancer in
women - JAMA. 2005 Jan 5;293(1):86-9 - "a high magnesium intake may reduce the occurrence of
colorectal cancer in women"
- Magnesium Intake and Risk of Type 2 Diabetes in Men and Women
- Diabetes Care. 2004 Jan;27(1):134-140 -
"Our findings suggest a significant inverse association between magnesium
intake and diabetes risk. This study supports
the dietary recommendation to increase consumption of major food sources of
magnesium, such as whole grains, nuts, and green leafy vegetables"
- Dietary magnesium intake and the future risk of coronary heart disease (The
Honolulu Heart Program) - Am J Cardiol. 2003 Sep
15;92(6):665-9 - "When adjustments were
made for age and other nutrients (singly or combined), there was a 1.7- to
2.1-fold excess in the risk of CHD in the lowest versus highest quintiles
... We conclude that the intake of dietary Mg is associated with a reduced
risk of CHD"
- Oral Magnesium Supplementation Improves Insulin Sensitivity and Metabolic
Control in Type 2 Diabetic Subjects: A randomized double-blind controlled
trial - Diabetes Care 2003 Apr;26(4):1147-52 -
"At the end of the study, subjects who received magnesium supplementation
showed ... fasting glucose levels (8.0 +/- 2.4 vs. 10.3 +/- 2.1 mmol/l ...
Oral supplementation with MgCl(2) solution restores serum magnesium levels,
improving insulin sensitivity and metabolic
control in type 2 diabetic patients with
decreased serum magnesium levels"
Other possible magnesium retailers:
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