Manganese |
|
Basic Information
Brand names:
Manganese Tablets
Mn-Plus(R)
Available as a constituent of many multivitamin/mineral
preparations.
Available from natural sources? Yes
Available from synthetic sources? Yes
Prescription required? Yes
NATURAL SOURCES
Avocados
Barley
Beans, dried
Blackberries
Bran
Buckwheat
Chestnuts
Cloves
Coffee
Ginger
Hazelnuts (filberts)
Oatmeal
Peanuts
Peas
Pecans
Seaweed
Spinach
REASONS TO USE
Promotes normal growth and development.
Promotes cell function.
Helps many body enzymes generate energy. Without manganese they
could not function.
Used as a supplement for those receiving long-term nutrition
intravenously or through a naso-gastric tube.
UNPROVED SPECULATED BENEFITS
Alleviates asthma.
Helps overcome infertility.
Alleviates diabetes.
Helps relieve fatigue.
Acts as an anti-aging substance.
Helps treat schizophrenia.
Provides part of molecules necessary for reproduction.
WHO NEEDS ADDITIONAL AMOUNTS?
Anyone with inadequate caloric or nutritional dietary intake
or increased nutritional requirements.
Extremely ill people who must be fed intravenously or by
nasa-gastric tube.
DEFICIENCY SYMPTOMS
Abnormal growth and development of children
No proven symptoms caused by manganese deficiency in adults
UNPROVED SPECULATED SYMPTOMS
Changes in beard and hair growth--usually a slowing of
growth
Occasional nausea and vomiting
Hypocholesterolemia
Weight loss
LAB TESTS TO DETECT DEFICIENCY
Serum manganese
DOSAGE AND USAGE INFORMATION
| Age |
Estimated Safe Intake |
| 0-6 months |
0.5-0.7mg/day |
| 6-12 months |
0.7-1.0mg/day |
| 1-3 years |
1.0-1.5mg/day |
| 4-6 years |
1.5-2.0mg/day |
| 7-10 years |
2.0-3.0mg/day |
| 11+ years |
2.5-5.0mg/day |
What this mineral does:
Manganese is concentrated in cells of pituitary gland, liver,
pancreas, kidney and bone. It influences syntheses of
muropolysaccharides, stimulates production of cholesterol by the
liver and is a co-factor in many enzymes.
Miscellaneous information:
Manganese is abundant in many foods.
Miners and workers in some industries are at risk of toxicity
from inhaling manganese. Chronic inhalation can lead to symptoms
of Parkinson's disease, with the following signs and symptoms:
Tremors, especially when not moving
General muscle stiffness and soreness
Awkward or shuffling walk
Stooped posture
Loss of facial expression
Voice changes--voice becomes weak and high pitched
Difficulty swallowing
Intellectual ability unchanged until advanced stages, when it
deteriorates slowly.
MANGANESE and MAGNESIUM are NOT related to each other!
Available as:
Capsules: Swallow whole with full glass of liquid. Don't chew
or crush. Take with or immediately after food to decrease
stomach irritation.
A constituent of many multivitamin/mineral preparations.
WARNINGS AND PRECAUTIONS
Don't take if you:
Are healthy and eat regular, balanced meals.
Consult your doctor if you have:
Liver disease.
Over age 55:
No special problems expected.
Pregnancy:
Don't take supplements with manganese unless prescribed by
your doctor.
Don't take megadoses.
Breast-feeding:
Don't take supplements with manganese unless prescribed by
your doctor.
Don't take megadoses.
Effect on lab tests:
Excess manganese can reduce serum iron.
Storage:
Store in cool, dry place away from direct light, but don't
freeze.
Store safely out of reach of children.
Don't store in bathroom medicine cabinet. Heat and moisture
may change action of mineral.
Others:
Check with your industrial health office if you are a miner or
industrial worker to make sure your work environment does not
contain toxic amounts of manganese.
OVERDOSE/TOXICITY
Signs and symptoms:
Delusions, hallucinations, insomnia, depression, impotence.
What to do:
For symptoms of overdosage: Discontinue mineral, and consult
doctor. Also see ADVERSE REACTIONS OR SIDE EFFECTS section
below.
For accidental overdosage (such as child taking entire
bottle): Dial 911 (emergency), 0 for operator or your nearest
Poison Control Center.
ADVERSE REACTIONS OR SIDE EFFECTS
| Reaction or effect |
What to do |
| Appetite loss |
Discontinue. Call doctor when |
|
convenient. |
| Breathing problems |
Seek emergency treatment. |
| Headaches |
Discontinue. Call doctor when |
|
convenient. |
| Impotence |
Discontinue. Call doctor when |
|
convenient. |
| Leg cramps |
Discontinue. Call doctor immediately. |
| Unusual tiredness |
Discontinue. Call doctor when |
|
convenient. |
INTERACTION WITH MEDICINE, VITAMINS OR MINERALS
| Interacts with |
Combined effect |
| Calcium (from food or |
May decrease manganese |
| (supplements) |
absorption when taken in large |
|
doses. |
| Iron (from food or supplements) |
Excess manganese interferes |
|
with iron absorption and can |
|
lead to iron-deficiency |
|
anemia. |
| Magnesium (from food or |
May decrease manganese |
| (supplements) |
absorption when taken in large |
|
doses. |
| Oral contraceptives |
Decreases manganese in blood. |
| Phosphate (from food or |
When taken in large doses, |
| supplements) |
may decrease manganese |
|
absorption. |
INTERACTION WITH OTHER SUBSTANCES
None known
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