These come immunity blend at a price, though - for example, one site charges almost $20 for a year's membership to access everything. So Which is Best? The best diet plan for you is still up to you. All the above are just a tiny dot in the ocean of diet plans and regimens that health buffs everywhere come up with. But the bottom line is, if you are not able and willing to stick to one dietary regime that will suit your size and weight, metabolism, lifestyle ketovatru and preferences and finances, you'll end going from one diet..