The Great White Shark marijuana strain is one that is super potent and provides a very powerful narcotic effect. It's serious medicine with clinically-tested THC levels of 14.85% and CBD levels of just 0.22%. most patients truly appreciate the sedative, analgesic effects of this marijuana strain. GREAT WHITE SHARK :::: is a sativa strain w/ high levels of THC providing the patient w/ a psychoactive, energetic, mind-high. Great White Shark is an effective strain for stimulating the appetite, relieving depression, migraines, and nausea. IMPORTANT NOTE :::: Sativa strains generally tend to cause feelings of alertness, optimism, mental clarity and vitality. Great White Shark is suitable for daytime use.