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The expected copper content is approximately 15.7% by weight for the pure complex

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In the FDA report published in December, the most common side effects were pain at injection site (91.6% of patients), fatigue (68.5%), headache (63.0%), muscle pain (59.6%), joint pain (44.8%), and chills (43.4%)

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National Center for Complementary and Integrative Health notes that randomized, placebo-controlled trials are the gold standard because they help determine whether apparent improvement is due to the treatment or to chance