Strontium
The information presented is based on Cellular trace mineral analysis - not Serum / Blood measurements.
RDA/DRI, synergists, antagonists, deficiency/overdose/toxicity symptoms are listed at the bottom of the page.
Strontium (Sr) has not been officially designated to be essential for humans at this time, and to date, there
is no indication or medical evidence for its essentiality to human health.
However, in the form of Strontium Ranelate, strontium has been demonstrated to increase bone mass
through its stimulatory effect of osteoblasts (which increases bone formation), and its inhibitory effect of
osteoclasts (which cause bone loss through bone resorption).
At the recommended daily dosage of 2,000 mg in granules form, Protelos (strontium ranelate), has shown a
significant reduction of vertebral fractures and hip fractures[32] in clinical trials, with decreased back pain and
decreased body height loss compared to the placebo group. At this time, it is primarily recommended for post-
menopausal women, but not pregnant, or breast-feeding females.
The action of strontium is closely related to that of calcium, although retention of strontium varies inversely
with calcium intake. Supplementing larger amounts of strontium increases calcium, but not magnesium re-
tention, and it has the potential to lower stomach acid levels, insulin, WBC,
germanium, fluoride, bismuth, and silicon. These effects should be kept in
mind when considering strontium in the treatment of osteoporosis.
In order to help increase Bone Mineral Density (BMD), over 1,000 mg of
strontium has to be ingested daily (versus a few mg / day obtained through
normal food intake), and while those amounts are well tolerated by some
patients, various medical problems may be experienced by other patients,
which include tooth decay, nausea, abdominal spasms, headaches, memory
problems, skin irritation, swollen glands, fainting, difficulty breathing, rickets,
diarrhea, pulmonary embolism, headaches, or seizures.
Additional caution is required by those with kidney problems, have a history
of venous blood clots, or have an intolerance to aspartame, which is found
in Protelos. Since calcium inhibits strontium absorption, calcium supplements,
antacid remedies - and food in general - should not be taken within 2 hours before, and 2 hours after taking
Protelos.
Similarly to iodine pills being somewhat protective in case of a nuclear accident, taking small amounts of the
(non-radioactive) trace mineral strontium may offer the same protection when being exposed to the radio-
active form of strontium. Some toothpastes that are marketed for "Sensitive Teeth"[33] contain strontium
chloride as part of their formulation. ¤
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2013 Dietary Reference Intake (DRI) - Recommended Dietary Allowance / Intake (RDA / RDI) for
Adults, Children, Pregnancy & Nursing - Adequate Intake (AI) - Tolerable Upper Intake Level (UL)
Strontium: DRI (RDA): none Therapeutic Range: 10mg - 2,000mg +
Estimated median daily intake of strontium worldwide from food and water is 1mg - 5mg / day.
Best time to take Strontium:
Earlier in the day, with or without food, but not at the same time with calcium supplements or dairy products.
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Cellular / Intracellular Attributes and Interactions:
Strontium Synergists: Vitamin D, magnesium, vanadium.
Strontium Antagonists: Calcium, phosphorus, insoluble fiber.
Low Levels / Therapeutic (Deficiency) Indications for Strontium:
Decreased growth in animals, tooth decay, osteoporosis, bone pain.
High levels / Overdose / Toxicity / Negative Side Effects - Symptoms and/or Risk Factors:
Tooth decay, rickets, abdominal spasms, nausea, diarrhea, headaches, skin irritation, blood clots, fainting,
memory problems, breathing difficulties, swelling legs, face or throat, seizures.
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Strontium Sources: Most plant foods, dairy, (Brazil) nuts, seawater. ¤
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Strontium
Updated: 3. Apr. 2013
by Dr. Ronald Roth
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General recommendations for nutritional supplementation: To avoid stomach problems and improve tolerance,
supplements should be taken earlier, or in the middle of a larger meal. When taken on an empty stomach or
after a meal, there is a greater risk of some tablets causing irritation, or eventually erosion of the esophageal
sphincter, resulting in Gastroesophageal Reflux Disease (GERD). It is also advisable not to lie down right after
taking pills. When taking a large daily amount of a single nutrient, it is better to split it up into smaller doses
to not interfere with the absorption of other nutrients in food, or nutrients supplemented at lower amounts.
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