You can buy the Soylent powder instead of premade drinks. It's $216 per month for 28 bags; each bag contains 2000 calories. Either way, if saving money on food

You can buy the Soylent powder instead of premade drinks. It's $216 per month for 28 bags; each bag contains 2000 calories. Either way, if saving money on food is your goal and you're only spending $6 a day now, neither meal replacement powders or drinks is going to help much in that sense.