If i want mass should i lift more weight and less reps or less weight and more reps?

Answer:
more weight and more protein, that helps

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More weight less rep.

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Both.More weight, less reps will produce myofibrillar hypertrophy.Less weight, more reps will produce sarcoplasmic hypertrophy.Most of the bulk you see on bodybuilders, however, is sarcoplasmic hypertrophy. Doing less weight with more reps will also lead to a bigger "pump" in the gym.

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