The Impact of Acute Calcium Intake on Bone Turnover Markers during a Training Day in Elite Male Rowers

Lundy, Bronwen; McKay, Alannah K A; Fensham, Nikita C.; Tee, Nicolin; Anderson, Bryce; Morabito, Aimee; Ross, Megan L.; Sim, Marc; Ackerman, Kathryn E.; Burke, Louise M.

doi:10.1249/mss.0000000000003022

Cited by 6 publications

(1 citation statement)

References 52 publications

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“…Consistent with recommendations for bone health (1000 mg•day −1 combined with 1500-2000 IU vitamin D for eumenorrheic females, 1500 mg•day −1 for women experiencing menstrual dysfunction or LEA [3,39]), the mean dose was 1270 ± 504 mg•day −1 ; however, none included vitamin D. Several studies investigated specific pre-exercise calcium intake (~1000 mg), providing a gut release of calcium to attenuate the bone breakdown otherwise needed to stabilise the sudden decline in serum ionic calcium at the onset of exercise [40]. Indeed, emerging confirmation that this protocol may assist bone health by reducing bone turnover, particularly in non-weight-bearing modalities [40,41], may lead to new recommendations for athletes at risk of low BMD. We note that two papers [30,42] from a single investigation of this strategy, using calcium-fortified foods to achieve the preexercise calcium boost, represent the only two studies of calcium supplementation in female athlete populations (Tiers 3-4) in this audit.…”

Section: Calciummentioning

confidence: 99%

Managing Female Athlete Health: Auditing the Representation of Female versus Male Participants among Research in Supplements to Manage Diagnosed Micronutrient Issues

et al. 2022

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Micronutrient deficiencies and sub-optimal intakes among female athletes are a concern and are commonly prevented or treated with medical supplements. However, it is unclear how well women have been considered in the research underpinning current supplementation practices. We conducted an audit of the literature supporting the use of calcium, iron, and vitamin D. Of the 299 studies, including 25,171 participants, the majority (71%) of participants were women. Studies with exclusively female cohorts (37%) were also more prevalent than those examining males in isolation (31%). However, study designs considering divergent responses between sexes were sparse, accounting for 7% of the literature. Moreover, despite the abundance of female participants, the quality and quantity of the literature specific to female athletes was poor. Just 32% of studies including women defined menstrual status, while none implemented best-practice methodologies regarding ovarian hormonal control. Additionally, only 10% of studies included highly trained female athletes. Investigations of calcium supplementation were particularly lacking, with just two studies conducted in highly trained women. New research should focus on high-quality investigations specific to female athletes, alongside evaluating sex-based differences in the response to calcium, iron, and vitamin D, thus ensuring the specific needs of women have been considered in current protocols involving medical supplements.

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Section: Calciummentioning

confidence: 99%

Managing Female Athlete Health: Auditing the Representation of Female versus Male Participants among Research in Supplements to Manage Diagnosed Micronutrient Issues

et al. 2022

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Considerations for the Consumption of Vitamin and Mineral Supplements in Athlete Populations

2023

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Vitamins and minerals are of fundamental importance to numerous human functions that are essential to optimise athlete performance. Athletes incur a high turnover of key vitamins and minerals and are therefore dependent on sufficient energy intake to replenish nutrient stores. However, many athletes are poor at servicing their energy replenishment needs, especially female athletes, and although a ‘food first approach’ to meeting nutrient requirements is the primary goal, it may be important for some athletes to consider a vitamin and/or mineral supplement to meet their daily needs. When working to determine if an athlete requires vitamin or mineral supplements, practitioners should use a robust framework to assess the overall energy requirements, current dietary practices and the biological and clinical status of their athletes. Of note, any supplementation plan should account for the various factors that may impact the efficacy of the approach (e.g. athlete sex, the nutrient recommended dietary intake, supplement dose/timing, co-consumption of other foods and any food–drug interactions). Importantly, there are numerous vitamins and minerals of key importance to athletes, each having specific relevance to certain situations (e.g. iron and B vitamins are significant contributors to haematological adaptation, calcium and vitamin D are important to bone health and folate is important in the female athlete); therefore, the appropriate supplement for a given situation should be carefully considered and consumed with the goal to augment an athlete’s diet.

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The Influence of Nutrition Intervention on the P1NP and CTX-1 Response to an Acute Exercise Bout: A Systematic Review with Meta-Analysis

Dolan,

Dumas,

Esteves

et al. 2024

Sports Med

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The Impact of Acute Calcium Intake on Bone Turnover Markers during a Training Day in Elite Male Rowers

Cited by 6 publications

References 52 publications

Managing Female Athlete Health: Auditing the Representation of Female versus Male Participants among Research in Supplements to Manage Diagnosed Micronutrient Issues

Managing Female Athlete Health: Auditing the Representation of Female versus Male Participants among Research in Supplements to Manage Diagnosed Micronutrient Issues

Considerations for the Consumption of Vitamin and Mineral Supplements in Athlete Populations

The Influence of Nutrition Intervention on the P1NP and CTX-1 Response to an Acute Exercise Bout: A Systematic Review with Meta-Analysis

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