Gold (E175) — What You Need to Know

Generally Safe(8/10)Synthetic
8
GENERALLY SAFE
Safety Score: 8/10

What Is Gold?

Gold (E175) is metallic gold used as a food coloring to provide a luxurious golden appearance to confectionery, chocolates, and beverages. Pure gold is chemically inert and biologically non-reactive, passing through the digestive system without being absorbed. It is one of the least reactive chemical elements known.

What Is It Used For?

Used as a decorative food coloring in luxury chocolates, liqueurs, cake decorations, and cocktail garnishes. Provides an opulent golden appearance for premium and special occasion products.

Function: Metallic gold food coloring for luxury confectionery and decoration

Safety Assessment

📊
Acceptable Daily Intake (ADI)
Not specified mg/kg bw/day
🏛️
Regulatory Status
🇺🇸 USA (FDA): Not specifically approved for food color (used in some products under GRAS)
🇪🇺 EU (EFSA): No ADI needed — inert metal, passes through body without absorption (2016 evaluation)
⚠️ Key Concerns

Pure gold is chemically inert and biologically non-reactive — it passes through the digestive system without being absorbed or metabolized. EFSA evaluated in 2016 and found no safety concerns, noting that gold is one of the least reactive chemical elements. Used primarily for decorative purposes in luxury foods. No known toxicity, allergenicity, or adverse effects. The main consideration is ensuring the gold used is of sufficient purity (typically 23-24 karat for food use) to avoid contamination with other metals.

Our Assessment

Based on current evidence, Gold is rated Generally Safe with a score of 8/10. This is 2.2 points above the average for colorings (5.8/10). Last reviewed by regulators: 2016.

Commonly Found In

Luxury chocolatesGoldwasser liqueurCake decorationsCocktail garnishes
Example brands:
DeLafée (gold chocolates)Goldschläger liqueurEdible gold leaf brands

Always check the label for E175 or 'Gold'

Chemical Information
Formula: Au
Molecular Weight: 196.97 g/mol
CAS Number: 7440-57-5
INS Number: 175
Also known as: E175, Gold leaf, Edible gold, Aurum, INS 175

Frequently Asked Questions about Gold

Gold has a Safety Score of 8/10 (Generally Safe). Pure gold is chemically inert and biologically non-reactive — it passes through the digestive system without being absorbed or metabolized. EFSA evaluated in 2016 and found no safety concerns, noting that gold is one of the least reactive chemical elements. Used primarily for decorative purposes in luxury foods. No known toxicity, allergenicity, or adverse effects. The main consideration is ensuring the gold used is of sufficient purity (typically 23-24 karat for food use) to avoid contamination with other metals.

Quick Facts

E-Number
E175
INS Number
175
Category
Colorings
Origin
Synthetic
FDA Status
Not specifically approved for food color (used in some products under GRAS)
EFSA Status
No ADI needed — inert metal, passes through body without absorption (2016 evaluation)
ADI
Not specified mg/kg bw/day
Last Review
2016
Dietary Compatibility
Vegan: ✅ YesHalal: ✅ YesKosher: ✅ YesGluten-Free: ✅ Yes
Disclaimer: This information is for educational purposes only and is not medical advice. Always consult a healthcare professional for health-related decisions.

Related Additives

Other colorings in the same family