Health supplements are made from the black currant plant using its:
Black currant contains:
Anthocyanidin, a type of pigment
Gamma-linolenic acid (GLA), an omega-6 fatty acid
Some researchers believe these may help the immune system and lessen inflammation.
Some research, mainly from the 1970s and 1980s, offers some support for using it for depression. Several studies also showed that L-phenylalanine plus ultraviolet A light may be helpful for people with vitiligo.
There is less evidence to support its use for other conditions.
Optimal doses of phenylalanine have not been set for any condition. Quality and active ingredients in supplements may vary widely from maker to maker. This makes it difficult to set a standard dose. However, commonly used dosages, depending on the condition, range from 150 mg to 5,000 mg daily.
Can you get phenylalanine naturally from foods?
Phenylalanine is found in many foods, including:
Products containing aspartame
What are the risks of taking phenylalanine?
Phenylalanine can trigger allergic reactions, with symptoms such as: