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Supplements

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Heart disease, blood pressure, kidney function and interacting medicines: the evidence and uncertainties behind arginine precautions.

Dietary intake, elemental magnesium, regional upper limits, divided amounts and separation from interacting medicines.

Studies of oxidative stress, creatine uptake, body weight and training adaptation, with a distinction between clinical and athletic data.

A review of agmatine marketing claims, biochemical mechanisms and the small human evidence base behind proposed benefits.