Kim wrote:
> Anybody tried any colostrum based products?
> What did you think?
Med Sci Sports Exerc. 2002 Jul;34(7):1184-8. Related Articles, Links
Click here to read
Dose effects of oral bovine colostrum on physical work capacity in
cyclists.
Coombes JS, Conacher M, Austen SK, Marshall PA.
School of Human Movement Studies, University of Queensland, St
Lucia, Australia.
[email protected]
PURPOSE: There is interest in the potential long-term use of
dietary supplementation with bovine colostrum to enhance exercise
performance. The purpose of the present study was to determine the dose
effects of bovine colostrum on cycling performance. METHODS: Forty-two
competitive cyclists were randomly divided into three groups and
required to consume either 20 g/d bovine colostrum + 40 g whey protein
concentrate (wpc), 60 g of bovine colostrum, or 60 g of wpc (placebo).
Two measures were used to assess performance before (pre-) and after
(post-) an 8-wk supplementation period. The first measure required
subjects to complete two VO2max tests separated by 20 min with the
amount of work completed in the second test used to evaluate
performance. The second performance measure was the time to complete a
work-based time trial following a 2-h cycle at 65% VO2max. Subjects were
required to maintain their regular training and keep a food and training
diary over the study period. RESULTS: After supplementation, the
performance enhancement in Measure One was not statistically
significantly different in the colostrum groups compared to the placebo
group (placebo = 3.4%, 20 g = 4.0%, 60 g = 3.9%; 95% confidence interval
(CI) for differences, +/-1.8%, P > 0.05). In performance Measure Two
subjects in the 20 g and 60 g groups completed the time trial
significantly (P < 0.05) faster post supplement compared to pre
supplement (improvements in performance times, placebo = 37 s, 20 g =
158 s, 60 g = 134 s; 95% CI for differences, 47 s). CONCLUSION: Oral
bovine colostrum supplementation at 20 g or 60 g/d provided a small but
significant improvement in time trial performance in cyclists after a
2-h ride at 65% VO2max.