Alicia Silverstone has confirmed she is “alive and well” after biting into a poisonous berry. The 47-year-old actress had left her fans concerned this week after sharing a video of herself asking her social media followers to help her identify an unknown fruit she had tasted during a trip to England. She captioned the TikTok clip: “What the heck is this!? I’m in England and can’t figure it out.” In the video, she said: “Okay, I’ve discovered something that I can’t figure out what it is and I need your help. “I just bit into it because it was on the street and we were discussing whether this wa…