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Figure 1 | Nutrition & Metabolism

Figure 1

From: Silicon balance in human volunteers; a pilot study to establish the variance in silicon excretion versus intake

Figure 1

Study design. Summary of the timing of ingestion of the test solutions (Si-supplement or ultra-high purity water; Si/H 2 O shown by thick black arrow ) and standardised meals ( down arrows ), and the collection of serum ( thin up arrows ), urine and faecal samples (collection periods indicated). Pre-dose (baseline; light grey) and post-dose (dark grey) collections are indicated.

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