It could be a number of things: * Your gut biome might need a "reset". Sometimes people experience extended weight gain after antibiotics because they ended up

It could be a number of things: * Your gut biome might need a "reset". Sometimes people experience extended weight gain after antibiotics because they ended up with a different, less effective biome. (Soylent might also contribute to this issue.) * Another health issue changed your digestive process * You're losing muscle mass, making it easier to gain fat * You're sleeping more poorly or are more stressed Calorie counting really isn't sufficient to know what's going on with weight changes. The factors are numerous.