Well, the Silver Whisper has docked at Pier 1 in the Port of Hilo.  Waved HI! to Captain Julian Albici from my veranda. Tours are in the $500 range, and I've seen a dozen eruptions in my life.  On the other hand, can you believe this timing?  From Google AI: Kīlauea volcano is currently experiencing precursory activity and overflowing lava at the Halemaʻumaʻu summit crater as scientists monitor the buildup to episode 55 , according to the U.S. Geological Survey - USGS . [ 1 , 2 , 3 ] Current Activity and Status Alert Level: The U.S. Geological Survey has set the volcano alert level to WATCH and the aviation color code to ORANGE . [ 1 , 2 ] Summit Overflows: Low-level eruptive activity and repeated overflows from the north vent in the Halemaʻumaʻu crater began on September 7, with activity continuing into September 10. [ 1 , 2 , 3 ] Lava Flows: Two primary lava flows formed from recent overflows, with one traveling about one kilometer southwest and another...

Let me at the top indicate that medical science mostly says you  can't  really take too much Vitamin B-12.  For example, the Food and Nutrition Board has not established a Tolerable Upper Intake Level because it feels this is not necessary.  And sorry about this lengthy posting, but I thought you should see the entire  Quora  presentation. Keep in mind that the human body does not naturally produce its own vitamin B12: We obtain B12 from meat, fish, dairy, eggs and supplements. Bacteria in the large intestine can produce a small amount of B12, but the colon cannot absorb it. The recommended daily amount needed by the body is around 2.4 micrograms (mcg) per day. Note that those supplements you take are in the 500 mcg to 2500 mcg size tablets, which is taken daily is because your body is very inefficient in utilizing this vitamin.  What is not used passes through your digestive system. The older you get, B12 from the food you eat becomes insufficient, an...