You do not have enough of B 12 in vegetarian diet. It takes years to develop the deficiency symptoms of B 12. The vegans should be given injections of B 12 routinely by the doctors. At least yearly. This vitamin is stored in your liver in large quantity. 2500 micro grams of B 12 is usual dose and is not too much.
I would say an average of £2500
0.1 microgram = 0.0001 milligrams
Multiply by 1000. So 1 milligram equals 1000 micrograms.
0.5 micro gram = 0.5 x 1000 = 500 nano grams. Hence 779.4 nano grams is greater than 0.5 micro grams by 279.4 nano grams
2500 = 2,500
2500 = 2,500
One gram is equal to one gram.
A ton has 1000 kilograms. Therefore, a micro-ton (millionth of a ton) has 1000 kilograms / 1,000,000, or 0.001 kilograms. Note: This is not a commonly used name; a microton would just be called a gram.
2500 x .25=$625
2500 yen is equal to $30.86.
A gram of gold weighs a gram
2500 Pounds = 4185.25 US Dollars