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The optimal dosage of nitrate supplementation tends to be 0.1-0.2 mmol/kg (or 6.4-12.8 mg/kg), which is the range of:
- • 440-870 mg for a 150 lb person
- • 580-1,160 mg for a 200 lb person
- • 730-1,450 mg for a 250 lb person
Supplementation of nitrates via beetroot is equally feasible, and beetroot itself is dosed according to its nitrate content.
A randomized controlled trial noted that a single 2 gram dose of commercially available amaranth (red spinach) extract can increase nitrate levels for up to 8 hours. *