Theoretically, by drinking small amounts of truth serum over a long period of time, you could build up an immunity to it. Therefore, drinking a whole lot of it all at once should work even better.
| Rank | Item | Quantity | |
|---|---|---|---|
| 🥇 | TQuilla | 1,943 | |
| 🥈 | Pastahead | 1,932 | ⤴️ |
| 🥉 | txranger | 471 | ⤴️ |
| #4 | fractalnavel | 428 | ⤴️ |
| #5 | Mistress of the Obvious | 237 | ⤴️ |
| #6 | Nikademus | 225 | ⤴️ |
| #7 | dune rune | 168 | ⤴️ |
| #8 | kirByllAmA | 129 | ⤴️ |
| #9 | MotherMary13 | 127 | ⤴️ |
| #10 | lupus4 | 99 | ⤴️ |
| #11 | Terrapin_Man | 87 | ⤴️ |
| #12 | Poncho the Sane | 46 | ⤴️ |
| #13 | Galapagos James | 29 | ⤴️ |
| #14 | whizdad | 16 | ⤴️ |
| #15 | Magnus Thunderblade, MysticalMolly, OldBobLeashed and Princess Erin | 11 | ⤴️ |
| #19 | Lord Stefano | 10 | ⤴️ |
| #20 | testostronaut | 8 | ⤴️ |
| #21 | Nanimonai3 and sensibleb | 6 | ⤴️ |
| #23 | Candice Dick | 4 | ⤴️ |
| #24 | Misha_Z, Oldsfrk and Pumpkinheadme | 2 | ⤴️ |
| #27 | Al Frodo, Beavis P_Ness, Brirad, CK_, CafeBabe, CafeBoob, CaptainRondo, Charasan, DaBaddestHic, Dah Cheese, Emerilla, Framistan, Fronobulax, Greeny30, Guy Bone, HOldeRofSecrEts, Justin Smoak, Kneegrow, Lucelle Ball, Mac_Gyver, Mme_Defarge, Mongrel the Apathetic, Natedogg, Necrophage, Ninja Karl, Perkk, Ryo_Sangnoir, Sal the Rapacious, Skent, Snugglypoo, THE Duke of Doi Tung, TamGarTrinKiJoiDar, TheLetterM, ThrowAChairAtMe, Xlina, apisguy, caducus, chocofungi, eav, learnedone, runeslayer, shkspr, taltamir and xKiv | 1 | ⤴️ |