Sprinkle gelatin over cold water. Wait 5 minutes until spongy.
Pour hot water over bloomed gelatin. Whisk until clear and smooth.
Stir in cranberry juice, apple cider vinegar, and optional lemon juice.
Sip warm immediately or chill 2–3 hours until set, then cut into cubes.
Consume 15–30 minutes before meals for best appetite control.
