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For supplement manufacturers in Europe

Supplement ingredients, specified for formulation.

Vitamins, mineral salts, amino acids and botanical extracts with technical data, EU regulatory status and form comparisons. Supplied directly by SoleChem, with stock in Italy and Spain.

Specification previewCAS 56-85-9
L-glutamine
EC number200-292-1
FormulaC5H10N2O3
Molar mass146.14 g/mol
AppearanceWhite crystalline powder
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132core supplement ingredients
13ingredient categories
ISO 9001 · ISO 22000 · GMP+ FSAcertified operations
Italy · Spainstock in Europe, direct supplier
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Every nutrient, every salt and chelate, side by side.

Nutrient guides compare the forms a formulator actually chooses between: elemental content, solubility, EU status and the formats each form suits.

Magnesium forms at a glanceCitrate vs glycinate →
FormElemental Mg*Mg per 500 mg
Magnesium oxide60.3 %302 mg
Magnesium carbonate28.8 %144 mg
Trimagnesium dicitrate16.2 %81 mg
Magnesium malate15.5 %78 mg
Magnesium bisglycinate14.1 %70 mg
Magnesium taurate8.9 %45 mg

*Theoretical, anhydrous basis. Commercial grades vary with hydration; check the CoA.

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Vitamin unit converter

Convert label units between IU, µg and mg for vitamins A, D and E. 1,000 IU of vitamin D3 = 25 µg.

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The company behind this site

SoleChem Kimya A.Ş.

SoleChem has supplied chemical raw materials since 2013 from its headquarters in Istanbul, with stock in its own warehouses in Italy and Spain for customers in Europe. Vitamins & Supplements B2B is its dedicated site for supplement makers: every request here is answered by the SoleChem team.

4,500+products in the catalogue
50+countries served
ISO 9001 · ISO 22000 · GMP+ FSAcertified operations

Also available: custom formulations and blends prepared at SoleChem's facilities in Türkiye.

HeadquartersSoleChem Kimya A.Ş.Barbaros Mah. Ak Zambak Sok. No:3A, UpHill Towers B Blok D:63
34746 Ataşehir, İstanbul, Türkiye
Italy operations office and warehouse
Spain warehouse