Page 1 - Reviews - Source Naturals, DLPA, 120 Tablets - iHerb
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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorized distributors.Show more
4.5
Based on 319 ratings
226
53
23
7
10
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What customers say
Customers have reported various benefits from using this supplement, including increased alertness, concentration, and cognitive function. Many users found it effective for improving mood, reducing anxiety, and providing a clearer mind with more energy. Some customers experienced side effects such as headaches and increased anxiety. The product is praised for its quality ingredients and good value, especially when purchased from iHerb. Several users noted that it helped with muscle pain and contractions. However, the effectiveness varied among individuals, with some not noticing significant benefits. Overall, the supplement appears to be well-regarded for its potential to support mental clarity and emotional well-being.
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English
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iHerb customer
Posted on Oct 14, 2020
Georgia
48
0
0
16
From depression
Verified purchase
Helps Deal With Anxiety
Auto-translated from Russian
iHerbCustomer
Gold
Posted on Feb 1, 2025
Latvia
458
0
2
45
DLPA
Verified purchase
DLPA (DL-Phenylalanine) is a combination of D- and L-forms of the amino acid phenylalanine, commonly used to support mood, mental clarity, and pain management. It’s known to help elevate mood by boosting dopamine and norepinephrine levels, making it popular for those dealing with mild depression or stress. Some users also report reduced chronic pain and increased energy. Generally well-tolerated, but it may cause mild side effects like jitteriness or headaches in sensitive individuals, especially at higher doses.
Starrynight
Silver
Posted on Jul 13, 2024
103
1
0
0
I like it
Verified purchase
I really love this product. I give you an energy boost, mental focus and really good. The size of the pill is a bit big though.
iHerb customer
Posted on Jul 11, 2025
Canada
97
0
23
28
Good quality for good price
Verified purchase
I bought this supplement for my husband, and it works well. I will be ordering more of this in the future! Thank you IHerb for a great selection offered
iHerb customer
Silver
Posted on Oct 21, 2025
Singapore
297
0
0
49
Verified purchase
I've been dealing with some low-grade, persistent aches for a while and decided to give DLPA a try. I take one tablet in the morning, and it has made a noticeable difference in my general comfort level throughout the day. An unexpected but welcome bonus is that my mood and energy feel more stable, without any jitters. It's become a reliable part of my daily wellness routine.
Viktoria
Silver
Posted on Dec 26, 2024
United States
120
0
0
3
Good
Verified purchase
I have been using them for a few weeks and I can't say any bad words so far. Haven't seen any difference so far, but I'm sure it's good for my health. It doesn't taste like anything,. This supplement has good ingredients, high quality, great benefits for my health
g
Gold
Posted on Sep 27, 2024
Singapore
7,041
0
0
885
Verified purchase
Source Naturals DLPA provides a balanced blend of D- and L-phenylalanine, which I find effective for supporting mood and mental clarity. I appreciate how it helps to naturally boost endorphin levels, offering a sense of well-being without the need for stronger mood-enhancing supplements. The 375 mg dosage per tablet is convenient for daily use, and I like that it doesn’t cause any jitters or crashes. Overall, it's a great option for those looking to manage occasional stress, lift mood, or enhance focus in a natural way.
iHerb customer
Posted on Jul 28, 2024
Austria
7
0
1
5
Verified purchase
I came across DLPA from Source Naturals through Julia Ross's book. The tablets are a little big, but the formulation is great because there is only one other ingredient, a small dose of Calcium. DLPA is also lower dose in a pill, which I prefer. I don't use it for training or muscle building, but it has helped boost my energy levels and mood.
The Herbalist
Silver
Posted on Sep 7, 2023
188
0
5
137
Dopamine
Verified purchase
I take DLPA as part of my Dopamine stack. I also take L-Tyrosine, L-Theanine, L-Carnitine, Alpha GPC, B-Complex, fish oil, Vitamin C and D3+K2.
MariePontini
Posted on Aug 14, 2022
Canada
113
25
15
82
Verified purchase
The quality seems great, good format for the price. I didn't have any adverse effects nor positive ones so far, I've taken it since over a month daily. I might look for the natural form of the components, see if it works better. Still recommend it