India, May 2 -- Are you running low on protein? This is the best time to stock up on the top-rated proteinpowders because the Amazon Great Summer Sale is still on. With its Day 2 deals, the Amazon sale is offering up to 40% off on the best protein powders. From gym-goers to casual fitness lovers, everyone is rushing to grab top-rated whey, isolate and plant-based proteins at unbeatable prices. These supplements promote better recovery, muscle gain and everyday performance. With major brands like MuscleBlaze, AS-IT-IS, Bigmuscles Nutrition and more on discounts, it is the perfect time to upgrade your routine or refill your favourite tub. There is no need to wait for the next big sale, as Day 2 is packed with power deals. So, check out the ...