Phd nutrition greens is your healthiest shake yet in fact itrsquos a superfood shaker most people hate their fruit and veg so they avoid it this shouldnrsquot happen as fruit and veg have so many health benefits that we just canrsquot dismissr the phd greens ph 7 formula contains spirulina and wheat grass to provide naturally occurring chlorophyll vitamins minerals and amino acids alongside fruit powders such as acerola berry rich in vitamin cr phd greens ph 7 also benefits