Many superfoods and herbs have far better healing properties than any piece of fruit.
He mentions chlorella, and this is one of them.
Of course, I agree with Hippocrates statement "Let food be thy medicine and medicine be thy food", but superfoods and herbs can help people reach an even higher state of health.
Even the best diet, being raw 80-10-10 or high fat/high protein, won't cure serious health issues alone.