- Agar Agar
- Gelatine
- Bovril
- Marmite
- Sugar free mint sauce
- Nam pla
- Tabasco
- Vecon
- Vegemite
- Worcestershire Sauce
- Fat free dressing, French/Italian/vinaigrette
- Herbs & Spices, Dry
- Low Calorie Cooking Spray (Frylight etc)
- Mustard Powder
- Oyster Sauce
- Ready to use stock, all varieties
- Salt & Pepper
- Soy Sauce
- Stock cubes & bouillon powder, all varieties
- Stock pots/melts/gels, all varieties
- Sweetener, drops & tablets
- Tomato puree (no added oil)
- Vinegar, all varieties
Source: https://fatgirlskinny.net/syn-free-foods-slimming-world-essentials/