How long do these substances remain in the body?
Caffeine – 6–8 hrs
Alcohol – 12–24 hrs
Nicotine – 1–3 days
Sugar – 2–4 hrs (spike & crash)
THC – Up to 30 days
Antibiotics – Hours to days (varies by type)
Vitamin C – Around 24 hrs
Vitamin B12 – Lasts for months
Water – 2–4 hrs
Protein meal – 3–6 hrs to digest