Results 41 to 50 of about 2,375 (233)
Objective: To systematically review the evidence for whether habitual or different levels of experimental intake of vitamin B12 from diet and supplements is sufficient to ensure adequate B12 status in groups most susceptible to vitamin B12 deficiency ...
Linnea Bärebring +8 more
doaj +1 more source
Oral administration of cyanocobalamin for functional vitamin В12 deficiency: efficacy and safety
The prevalence of vitamin В12 deficiency is about 3—16% in the general population, while in older people, it ranges from 10 to 20%. An increase in the proportion of people on reduced-calorie diets, the widespread use of drugs that can result in vitamin ...
E. V. Shikh +2 more
doaj +1 more source
Clinical follow-up of children with high vitamin B12 values: should we worry?
Background. Requests of Vitamin B12 test increased with the widespread use of autoanalysers. Although the cause of requests was deficiency suspicions, an important ratio of high levels of Vitamin B12 were reported to physicians by laboratory ...
Davut Albayrak, Canan Albayrak
doaj +1 more source
Rapid healing of a patient with dramatic subacute combined degeneration of spinal cord: a case report [PDF]
Background: Prevalence of cobalamin deficiency is high especially in older patients and an immediate therapy start is necessary to prevent irreversible neurological damages. Unfortunately, the diagnosis of cobalamin deficiency is difficult and at present,
Roessler, Florian C., Wolff, Stephanie
core +3 more sources
Diagnostic Associations of Hypercobalaminemia in Indian Population [PDF]
Introduction: Serum cobalamin (Cbl) measurements are routinely done to rule out its deficiency. Surprisingly, a high fraction of these patients display hypercobalaminemia.
Swarnima Singh, Rekha Kumar
doaj +1 more source
Holotranscobalamin as an Indicator of Dietary Vitamin B12 Deficiency [PDF]
We report that serum holotranscobalamin (holoTC) compares favorably with serum vitamin B12 for identifying vegans likely to have vitamin B12 deficiency as judged by measurements of the metabolites methylmalonic acid (MMA) and homocysteine (tHcy). We also report that measurement of holoTC may possibly replace combined testing with serum vitamin B12 (B12)
Lloyd-Wright, Z +4 more
openaire +5 more sources
Neurological disorders in vitamin B12 deficiency [PDF]
The review discusses thesteps of vitamin B12 metabolism and its role in maintaining of neurological functions. The term "vitamin B12 (cobalamin)" refers to several substances (cobalamins) of a very similar structure. Cobalamin enters the body with animal
Ch S Pavlov +3 more
doaj +1 more source
Vitomics: A novel paradigm for examining the role of vitamins in human biology
I advocate for an integrated model called “vitomics,” defined as vitamin‐related actions adapting an organism's metabolism/biology to a specific environmental condition(s) within, across and beyond the lifecycle. This does not preclude classic vitamin roles, but generally reflects a wider “systems biology” influence, embracing environmental/genetic ...
Mark D. Lucock
wiley +1 more source
Vitamin B12 deficiency in older people: a practical approach to recognition and management
Abstract Vitamin B12 deficiency is common in older people and is linked to anaemia, cognitive decline, and dementia. Clinical presentation is variable, ranging from no symptoms or subtle, non‐specific symptoms, through to serious, irreversible neurological symptoms if left untreated. Although common, it is often under‐recognised, with diagnosis usually
Nadia Mouchaileh
wiley +1 more source

