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Testing: To ensure label accuracy, we prioritized products that are tested throughout the manufacturing process, ideally by third-party labs and organizations, like NSF International

All of our regimens will provide a physiologically negligible amount of cyanide well below the EFSAs acute reference dose safety threshold of 20 g/kg of body weight (1,270 g for a 140 lb (63.5 kg) person) per day

Low energy levels can affect fertility negatively

Microorganisms 11(11): 2777

References Roderique JD , VanDyck K , Holman B , Tang D , Chui B , Spiess BD

They work differently, so "better" depends on what you're trying to address