Skip to product information
1 of 3

Prescribed For Life DL-Phenylalanine Powder (2 kg) - Pure Crystalline Amino Acid Supplement

Prescribed For Life DL-Phenylalanine Powder (2 kg) - Pure Crystalline Amino Acid Supplement

Regular price £173.70 GBP
Sale price £173.70 GBP Regular price
Save % Sold out

HOT PRODUCT | LOW STOCK

Carefully selected from trusted wellness brands

Free worldwide delivery

Secure checkout

Buy More Save More!

Prescribed For Life DL-Phenylalanine Powder (2 kg) - Pure Crystalline Amino Acid Supplement

Regular price £173.70
Sale price £173.70 Regular price
Save % Sold out
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Tracked worldwide delivery. Estimated arrival between - and -.

Quality and Purity Standards

Prescribed For Life is committed to producing high-quality supplements that you can trust. Their DL-Phenylalanine powder is manufactured in the USA in a GMP-certified facility, following strict quality control guidelines. Every batch undergoes third-party laboratory testing to verify identity, purity, and absence of contaminants such as heavy metals, microbes, and solvents. The powder is also tested to ensure it is free from common allergens like gluten, soya, and dairy.

The product's label clearly states that it contains no artificial colours, flavours, or preservatives. This level of transparency is important for those who prioritise clean ingredients. By choosing a pure, single-ingredient supplement, you minimise exposure to unnecessary additives.

What Is DL-Phenylalanine Powder?

If you're looking for a pure and versatile amino acid supplement, Prescribed For Life's DL-Phenylalanine Powder offers a straightforward solution. DL-Phenylalanine is a unique combination of two forms of the essential amino acid phenylalanine: D-phenylalanine and L-phenylalanine. L-phenylalanine is naturally found in protein-rich foods and is used by the body to build proteins. D-phenylalanine is a synthetic mirror image. This supplement provides both forms in a single, pure crystalline powder, making it a versatile addition to your wellness routine.

Designed for those who want a concentrated source of phenylalanine without added fillers, binders, or preservatives, the convenient 2 kg resealable pouch offers a cost-effective way to incorporate this amino acid into your daily regimen.

Key Features and Benefits

Prescribed For Life DL-Phenylalanine Powder stands out for its purity and simplicity. Here are some key attributes that make it a reliable choice:

  • Pure & Natural: A single raw ingredient with no additives, preservatives, or flow agents. What you get is just DL-phenylalanine in its crystalline form.
  • Supports Normal Protein Synthesis: As an essential amino acid, phenylalanine contributes to the normal production of proteins in the body, supporting overall health when used as part of a balanced diet.
  • Dietary Compatibility: This powder is gluten-free, vegan, and non-GMO, making it suitable for a wide range of dietary preferences.
  • Third-Party Tested: Each batch is tested by an independent laboratory to ensure purity and potency, so you can trust what you're consuming.
  • Bulk Size Convenience: The 2 kg pouch is ideal for long-term uses, and the resealable design keeps the powder fresh and protected from moisture.

Whether you're looking to fill dietary gaps or support your overall wellness, this product offers a straightforward way to increase your phenylalanine intake.

Who Might Benefit from DL-Phenylalanine?

DL-Phenylalanine is commonly used by individuals following specific dietary protocols or those who want to ensure adequate intake of this essential amino acid. Because the body cannot produce phenylalanine on its own, it must come from food or supplements. People with restricted diets—such as vegans or those with certain metabolic conditions—may find it challenging to get enough phenylalanine from diet alone.

It is important to note that while phenylalanine is essential, most people obtain sufficient amounts through a balanced diet. Supplements should be used to complement nutrition, not replace whole foods. Always consult with a health care professional before adding any new supplement, especially if you have phenylketonuria (PKU) or are taking medications that interact with amino acids.

How to Uses DL-Phenylalanine Powder

Prescribed For Life DL-Phenylalanine Powder is easy to incorporate into your daily routine. Because it is a fine crystalline powder, it mixes well into water, juice, smoothies, or your favourite beverage. Start with a small serving size (typically 500–1000 mg) and adjust according to your needs and tolerance. The powder has a mild, slightly bitter taste that can be masked by mixing with sweetened drinks.

For accurate dosage, uses a milligram scale or the included scoop (if provided). Store the pouch in a cool, dry place away from direct sunlight. The resealable zipper helps maintain freshness between uses. Do not exceed the recommended serving size unless directed by a health care professional.

FAQs About DL-Phenylalanine

What is the difference between L-phenylalanine and DL-phenylalanine?

L-phenylalanine is the naturally occurring form found in food and used by the body for protein synthesis. D-phenylalanine is a synthetic form. DL-phenylalanine combines both forms.

Can I take DL-phenylalanine with other supplements?

In most cases, yes, but it is wise to check with a health care provider. Phenylalanine competes with other large neutral amino acids (like tryptophan and tyrosine) for absorption, so taking it away from high-protein meals may improve uptake.

Is DL-phenylalanine safe for long-term uses?

When used at recommended dosages, DL-phenylalanine is generally considered safe for most healthy adults. However, individuals with PKU, schizophrenia, or those taking MAO inhibitors should avoid it. Always follow label instructions and consult a professional.

*These statements have not been evaluated by the European Food Safety Authority. This product is not intended to diagnose, treat, , or prevent any disease.

Worldwide Delivery

Orders are prepared with clear worldwide delivery expectations from the product page through dispatch. Delivery estimates are shown before checkout where available, and tracking details are sent after the order leaves fulfilment so customers can follow the parcel and plan around the expected arrival window.

Returns and support

UK Vitality Vitamins offers straightforward post-purchase support with a clear returns process. Please check the store returns policy before sending an item back, as final eligibility may depend on product condition, packaging integrity and whether the return request is started within the stated return window.

How to choose

Use the product description, ingredient list, serving information and available variants to compare supplement options. Always check the full ingredient list, directions for use and any allergen information on the product packaging before taking any food supplement.

Ingredients and important information

Ingredient lists and formulations may vary by batch or supplier. Always check the product packaging for the most up-to-date information. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Do not exceed the recommended daily intake. If you are pregnant, nursing, taking medication or have a medical condition, consult your healthcare professional before use.

View full details
  • Tracked worldwide delivery

    Clear delivery messaging for shoppers worldwide.

  • Secure checkout

    Secure checkout.

  • Clear returns

    Returns information is written plainly before purchase.

  • Trusted brands

    Carefully selected supplements from established wellness brands.

Supplement guide

Prescribed For Life DL-Phenylalanine Powder (2 kg) - Pure Crystalline Amino Acid Supplement at UK Vitality Vitamins

Quality and Purity StandardsPrescribed For Life is committed to producing high-quality supplements that you can trust. Their DL-Phenylalanine powder is manufactured in the USA in a GMP-certified facility, following st...

Category Amino Acid Supplements
Delivery area Worldwide
Checkout Secure checkout
Brand Prescribed For Life
Price £173.70
Availability In stock
amino acid supplementbulk powderdietary supplementDL-Phenylalanineessential amino acidgluten-freenon-GMOphenylalaninePrescribed For Lifeprotein support

How to choose if this supplement fits your routine

Read the ingredient list, check the serving size and directions for use. Consider the supplement form (tablet, capsule, liquid) and whether it suits your dietary requirements. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.

What UK Vitality Vitamins shows before checkout

Every product page displays price, availability, variant choices, ingredient information, directions for use, allergen details, worldwide delivery expectations and secure checkout — so you can make an informed decision quickly.

Questions about Prescribed For Life DL-Phenylalanine Powder (2 kg) - Pure Crystalline Amino Acid Supplement

Is Prescribed For Life DL-Phenylalanine Powder (2 kg) - Pure Crystalline Amino Acid Supplement available with worldwide delivery?

Yes. This product is currently available on UK Vitality Vitamins with free worldwide delivery.

How should I compare this with similar supplements?

Compare the active ingredients, serving size, number of servings per container, supplement form, brand reputation and price per serving. Check allergen information if relevant to your dietary needs.

Where can I find delivery and returns information?

Delivery information is shown near the add to basket area. Returns guidance is available on the product page and full terms are covered in the store returns policy.

Supplement shopping with clarity

UK Vitality Vitamins product pages display ingredients, directions, allergen details and delivery information clearly — so you can compare supplements and make informed choices quickly.