This fruit has a modest vitamin C concentration. An average sized peach can approximately contribute to 10% of the recommended daily ingestion, around 60 mg/day.

The peach has also a modest pro-vitamin A carotenoid concentration; an average sized peach can approximately contribute to 10% of the recommended daily consumption, around 1200-1500 µg retinol/day. Vitamin A is essential for sight, growth, the development of bones, the maintenance of corporal tissues, the reproductive process and the development of the hormonal functions and the co-enzymes. It has a protective effect against cancer. A greater consumption of carotenoid bears relation to a decrease of the risk of contracting several types of cancer. Peaches make also a good contribution of potassium, phosphorus and vitamin B niacin, necessary for the energy and the nervous system metabolism.

The peach, as it also happens with apples, pears, plums, oranges, mandarins, plums and quince, has a very low energetic value. The proteins and fats are found in very small amounts.

The peaches with yellow pulp have an important vitamin A content, useful to fortify mucous and taking part in the formation of a substance called rodopsine, whose deficiency produces the disease called " night blindness’ during which the vision does not adapt to the dark. Vitamin A is also important for the formation and conservation of the dental enamel.

Peaches have also an important vitamin C content (although it is half the content of oranges), which prevents infections, favours the healing of wounds, maintains the good health of gums, aids to the fixation of calcium, important for the bones and teeth formation, and improves the absorption of iron in the intestine.

Peaches have a slight laxative effect due to the acids contained in them.

Their sodium contents are low, for which they are suitable for high blood pressure. The potassium content is useful to regulate the neuromuscular functions and to prevent cramps.

The peach can also be eaten with skin. For those who prefer to eliminate the external down, wash the fruit with hot water for a minute and put it under cold water afterwards.

The flowers of the peach tree are laxative, antispasmodic and sedative when taken in infusions. The leaves are used as poultices against ulcerated cancers.

Squashed peaches have been used by many cultures as a homemade remedy for the care of the feminine facial skin.