| Bitter & Twisted | | Harviestoun Alva, Central, United Kingdom | Blonde Ale 4.2% ABV | "Bottled with approximately 1/3rd less Carbon Dioxide than most beers. This results in a fresher more natural tasting beer. Combines Hallertau Hersbrücker with Challenger. Late hopped with Styrian Goldings, which gives a sharpness like the twist of a lemon." |
| Bitter & Twisted - Barrel Aged | | Harviestoun Alva, Central, United Kingdom | Blonde Ale | |
| Ola Dubh 18 | | Harviestoun Alva, Central, United Kingdom | Old Ale 8.5% ABV | Old Ale Aged in 18 yr Scotch |
| Ola Dubh Reserve Ale 12 Year | 1 | Harviestoun Alva, Central, United Kingdom | Barrel Aged 8% ABV–40 IBU | Based on Harveistoun's award-winning Old Engine Oil Scottish Porter, this version has been matured in mature 12 year old whisky casks from Highland Park distillery in Scotland. Notes of chocolate, heathery peat, faint smoke, tart fruit & truffle oil all are at play in this instant classic. |
| Olah dubh 21 | | Harviestoun Alva, Central, United Kingdom | Old Ale 8% ABV | Aged in casks that previously held 21 year old Highland Park Whiskey; wooden sweet flavour with bitter chocolate, smoked peat moss and a touch of vanilla. |
| Old Engine Oil | 1 | Harviestoun Alva, Central, United Kingdom | Porter 6% ABV | |
| Old Engine Oil Engineer's FReserve | | Harviestoun Alva, Central, United Kingdom | Black Ale 9% ABV | |
| Old Engine Oil Engineer's Reserve Blackest Ale | 1 | Harviestoun Alva, Central, United Kingdom | Imperial Porter 9% ABV | The more powerful cousin of the original Old Engine Oil, this special edition, 'Engineer's Reserve,' clocks-in at a more robust 9% Abv. & offers a complex roasty flavor that suggests toasted coffee, earthy fruit & a hint of chocolate. |
| Quercus Ubhal | | Harviestoun Alva, Central, United Kingdom | Strong Ale 8.5% ABV | |
| Schiehallion | 1 | Harviestoun Alva, Central, United Kingdom | Lager 4.8% ABV | |
| Schiehallion Lager | 1 | Harviestoun Alva, Central, United Kingdom | Lager 4.8% ABV | Crisp & clean tasting lager that offers notes of fresh-cut grass, a hint of honey, semi-sweet bread, & a suggestion of grapefruit in the finish. |