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Bonusan DL-Phenylalanine Plus 60 vegetarian capsules
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Bonusan DL-Phenylalanine Plus 60 vegetarian capsules

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Nature is rich in safe and biologically active compounds that contribute to the vitality of the human body. Bonusan uses the latest scientific advances to turn natural ingredients into highly effective nutritional supplements for use by physicians and therapists. So it has been in 1966, and so it still is today. We are a passionate Dutch family-owned company, active in seven Western European countries. We keep research, development and manufacturing in our own hands to guarantee our products are of the finest quality. Through our educational programme we want you to share in our knowledge and expertise – this way, you too can support your clients towards recovery by natural means.


Contains per vegetarian capsule

DL-Phenylalanine (DLPA)



Vitamin B6 (as pyridoxine HCl)



Excipients: cellulose (HPMC), microcrystalline cellulose, magnesium stearate.

Guaranteed to contain no: GMO, maize, soy, yeast, gluten, lactose, added saccharose, gelatine, animal products, preservatives, artificial colouring and flavouring agents, artificial odours.


DL-Phenylalanine (DLPA) is a mixture of the D-form as well as of the (natural) L-form of phenylalanine. Since phenylalanine cannot be produced by the body, it is an essential amino acid. It can easily

cross the blood-brain barrier and L-phenylalanine is converted into the amino acid L-tyrosine;

this supports the formation of neurotransmitters (such as L-dopa, noradrenalin and adrenaline).

The D-form of phenylalanine cannot be converted into tyrosine, but is mainly converted into phenylethylamine. An important function of this substance is to support a good mental balance.

Most important characteristics of DL-Phenylalanine plus:

  • Contains both the D-form and L-form of the amino acid phenylalanine
  • Also contains vitamin B6, an important synergist in the metabolism of phenylalanine


Take 1 to 2 capsules daily, at least half an hour before a meal. Do not take the capsules together

with foods containing protein. Take half an hour after a meal to maintain a normal blood pressure.

The capsule may be opened if experiencing difficulties with swallowing. If no difference is noticeable the dose can temporarily (for approximately three weeks) be doubled or tripled. DL-Phenylalanine

is effective for about 60% of all people. If there is still no improvement noticeable after three weeks,

the person is probably not affected by DLPA and the treatment can better be stopped.


DLPA contains phenylalanine and therefore may not be used by people with phenylketonuria.
Interactions with regular medication and other natural health products may occur. Please consult

an expert about this.


To facilitate the conversion of phenylalanine a number of cofactors are required, especially

vitamin B6 (present in the formula) and vitamin C. Besides taking this product it is also recommended to follow a healthy diet, as well as taking a basic supplementation of Multi Vital Forte, Vitamin C-1000 Ascorbate Complex and Omega-3 liquid (or Omega-3 capsules).


L-Tyrosine 400 mg.


8974 (plastic bottle containing 60 capsules of vegetable origin)

Turmeric and Honey endeavours to ensure that your order is dispatched within 24 hours from order placement (excludes weekends – week days only).

Please allow between 1 to 5 working days for delivery in the UK and up to 7 working days in Europe. Deliveries are subject to Royal Mail and courier operations. Pricing is based on postage weight, speed and quality of the courier service.

For more delivery and returns info please see our delivery details and returns policy pages.