| Clue | Source | Date |
|---|---|---|
| Popular performance-enhancing supplement for athletes | New York Times | 17 May 2020 |
| Sports supplement given around Aintree to jockey | The Telegraph Toughie | 31 May 2018 |
| Powder supplement for bodybuilders | New York Times | 04 Jan 2018 |
| Powder supplement for bodybuilders | ||
| Amino acid supplement popular with bodybuilders |