Don't need mo biotin: Biotin deficiency is very very rare. It is trendy right now to take if for hair and nails. Going beyond 100 mcg per day is not necessary and there is no evidence of benefit beyond this amount. Biotin is a water soluble B vitamin, so your body *probably* would simply pee out the extra.
You do not compare two things. The following guidelines apply to the superlative: 1-syllable adjectives: add-est to the adjective (plus the). 1  My sister is the tallest in our family. 2  Yesterday was the coldest day of the year so far.
The way that is used depends on the number of syllables the adjective or adverb have: 1  Most one-syllable adjectives and adverbs take the ending-er. 2  Two-syllable adjectives ending in y form the comparative by taking the ending-er. 3  Other two-syllable adjectives use more + regular form to make the comparative.