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. 2023 Jun 20;15(12):2813. doi: 10.3390/nu15122813

Table 2.

Zinc content in dietary supplements [mg/capsule] and potential relative bioaccessibility [%].

Code Fraction Average Content
[mg/Capsule]
(Range)
Total
Content a [mg]
Potential Relative
Bioaccessibility [%]
Percentage of UL
(for 1 Capsule/Tablet) b [%]
DS1 A 28.4 ± 4.90
(21.8–33.6)
30.8 7.86 123
B 2.42 ± 0.008
(2.42–2.43)
DS2 A 10.2 ± 1.11
(8.81–11.5)
11.3 9.38 45.2
B 1.06 ± 0.24
(0.80–1.38)
DS3 A 16.6 ± 1.64
(14.3–18.2)
16.8 1.13 67.2
B 0.19 ± 0.12
(0.05–0.33)
DS4 A 23.3 ± 2.29
(20.5–26.1)
24.1 3.15 96.4
B 0.76 ± 0.05
(0.72–0.83)
DS5 A 35.9 ± 10.8
(25.1–46.7)
36.6 1.99 146
B 0.73 ± 0.01
(0.72–0.75)
DS6 A 30.0 ± 0.67
(29.4–30.9)
31.1 3.38 124
B 1.05 ± 0.003
(1.04–1.05)
DS7 A 32.2 ± 4.03
(26.7–36.0)
33.7 4.48 135
B 1.51 ± 0.002
(1.50–1.51)
DS8 A 12.6 ± 1.09
(11.7–14.1)
13.4 6.19 53.6
B 0.83 ± 0.13
(0.65–0.96)
DS9 A 31.7 ± 0.77
(31.0–32.8)
33.6 5.77 134
B 1.94 ± 0.10
(1.82–2.05)
DS10 A 16.2 ± 0.71
(15.2–16.8)
17.3 6.59 69.2
B 1.14 ± 0.13
(0.97–1.30)

a Sum of fraction A and B. b EFSA NDA Panel (EFSA Panel on Dietetic Products, Nutrition and Allergies), 2014. [32]; UL—tolerable upper intake level (25 mg/day for adults).