The best replacement for shred is mangle.

The best alternatives to shred are rated as following:
★★★★★  mangle
★★★  super shred
★★  shred
★★  ripped in 30
★★  wipe
★  metal auger
★  grate
★  srm
★  super shred diet
★  dban
★  insanity
★  shredded
★  p90x
★  poc
★  ride
★  ravage
★  oxyelite pro
  bulk
  mangle 5.4
  mangle pvp
  get ripped in 30
  oxyelite
  fat smash
  tony hawk ride
  burn
  banish fat boost metabolism
  flamenco
  recycle
  mangle druid
  power 90
  t25
  triple shred mulch
  not to shred

Your alternative for shred is not listed? Suggest!
Speaking about shred, one probably shouldn't forget about weights.

Other search terms related to shred and their ratings are:
★★★★★ weights
★★ dr. ian smith
You have in mind a companion for shred and it is not yet here? Propose!



Google Trends

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shred
mangle
super shred