Have you only tested white? Personally I haven't come across any outstanding white strain yet, the whites were usually weaker than the greens.... Did customer service recommend this strain to you? I'm tempted to order their green one, the most expensive one, supposedly it's a real strong kratom that gives everything - strength, energy, euphoria, motivation, pain relief and lasts longer than the cheap rubbish that other shops in Europe push on us, I remember how kratom worked about 10 years ago,