The US is the bigger Vitamin B12(Cobalamin) market: $126 Mn against $24 Mn in 2023, about 5.2 times as large.
China grows faster: 7% a year, against 3.5%. The gap still grows from $102 Mn to $130 Mn by 2033.
Clinical research: 39 active trials in the US, 24 in China.
| Measure |  US |  China |
|---|---|---|
| Market size, 2023 | $126 Mn | $24 Mn |
| Market size, 2033 projected | $178 Mn | $47 Mn |
| Growth a year (CAGR) | 3.5% | 7% |
| Money added, 2023–2033 | $52 Mn | $23 Mn |
| Share of the world market | 42% | 8% |
| Size rank of 24 countries | #1 | #2 |
| Market per person, 2023 | $0.37 | $0.02 |
| Active clinical trials | 39 | 24 |
| Full report | US report | China report |
Year by year, 2023 to 2033
US China · values between 2023 and 2033 are projected from the 2023 size and the CAGR.
Quick answers
Which is bigger in Vitamin B12(Cobalamin), US or China?
The US is the bigger Vitamin B12(Cobalamin) market: $126 Mn against $24 Mn in 2023, about 5.2 times as large.
Which grows faster in Vitamin B12(Cobalamin), US or China?
China grows faster: 7% a year, against 3.5%. The gap still grows from $102 Mn to $130 Mn by 2033.
More Vitamin B12(Cobalamin) comparisons
Sources: market size and growth: Acuitas Health Analytics research (2023 base year, forecasts to 2033). Trials: ClinicalTrials.gov (fetched 10 Nov 2026); found by search words, so counts are a guide. Population: World Bank.