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Noopept is frequently dosed at 10–30 mg per day. However, there is no solid evidence indicating that any dose of Noopept is optimal. Few human trials have ever been carried out on Noopept, and as one meta-analysis notes, animal studies have used doses ranging from 0.1 mg/kg bodyweight to 10 mg/kg bodyweight.
Acceptable daily intake or ADI is a measure of the amount of a specific substance (originally applied for a food additive, later also for a residue of a veterinary drug or pesticide) in food or drinking water that can be ingested (orally) daily over a lifetime without an appreciable health risk. [1]
In pharmacology, an effective dose (ED) or effective concentration (EC) is the dose or concentration of a drug that produces a biological response. [1] [2] The term "effective dose" is used when measurements are taken in vivo, while "effective concentration" is used when the measurements are taken in vitro.
The parameter also indicates the theoretical volume of plasma from which a substance would be completely removed per unit time. Usually, clearance is measured in L/h or mL/min. [2] Excretion, on the other hand, is a measurement of the amount of a substance removed from the body per unit time (e.g., mg/min, μg/min, etc.). While clearance and ...
The average 70 kg (150 lb) adult human body contains approximately 7 × 10 27 atoms and contains at least detectable traces of 60 chemical elements. [5] About 29 of these elements are thought to play an active positive role in life and health in humans.
10 16: 1 × 10 16 kg 951 Gaspra, the first asteroid ever to be closely approached by a spacecraft (rough estimate) [125] 1 × 10 16 kg Rough estimate of the total carbon content of all organisms on Earth. [126] 3 × 10 16 kg Rough estimate of everything produced by the human species. [127] 3.8 × 10 16 kg Total carbon stored in the oceans. [128 ...
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The botulinum toxin as the most toxic substance known has an LD 50 value of 1 ng/kg, while the most non-toxic substance water has an LD 50 value of more than 90 g/kg; a difference of about 1 in 100 billion, or 11 orders of magnitude. As with all measured values that differ by many orders of magnitude, a logarithmic view is advisable.