According to the provided reference, eggs are considered acidic.
The reference categorizes different food groups based on their acid-alkaline properties:
- Acidic: meat, poultry, fish, dairy, eggs, grains, alcohol.
- Neutral: natural fats, milk, starches, sugars.
- Alkaline: fruits, nuts, legumes, vegetables.
Therefore, based on this categorization, eggs fall into the acidic food group.