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Efectiv Nutrition Build.AI 120 Capsules - 120 Caps
Efectiv Nutrition

Efectiv Nutrition Build.AI 120 Capsules

★★★★★
5.0 | 2 reviews |  30 Servings
£29.99 £1.00/serving
2400mg PeptiStrong 2400mg PeptiStrong per serving - the patented fava-bean peptide dose used in research.
500mg Turkesterone 500mg turkesterone standardised to 10% Ajuga turkestanica - one daily capsule serving.
200mg Epicatechin 200mg epicatechin standardised to 90% from cocoa - three actives in one daily stack.
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Size 120 Caps
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Next day (£5.99)
17,600+ Reviews
14-Day Returns
Est. 2005
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Food supplements should not be used as a substitute for a varied and balanced diet and healthy lifestyle. If you are pregnant, breastfeeding, taking medication, or under medical supervision, consult your doctor before use. Do not exceed the recommended daily intake. Store out of reach of children.

120 Caps Out of stock

Efectiv Nutrition Build.AI 120 Capsules With PeptiStrong, Turkesterone and Epicatechin

Efectiv Nutrition Build.AI is a natural muscle building capsule formula combining three compounds targeting distinct anabolic pathways. Each 4-capsule serving delivers 2400mg PeptiStrong, 500mg Turkesterone and 200mg Epicatechin. The 120-capsule bottle provides 30 servings.

PeptiStrong is an AI-discovered fava bean hydrolysate peptide fraction shown in preclinical and early human research to activate mTOR and support muscle protein synthesis by a mechanism distinct from leucine-mTOR activation. Turkesterone is an ecdysteroid from Ajuga turkestanica; ecdysteroids are plant sterols structurally resembling anabolic hormones that may activate anabolic signalling without binding androgen receptors, providing muscle-supportive effects without hormonal side effects. Epicatechin is a flavonol found in dark chocolate; it inhibits Myostatin, the protein that limits muscle growth, and stimulates Follistatin which promotes myoblast proliferation, creating a favourable environment for hypertrophic signalling.

What separates Build.AI from a single-ingredient ecdysteroid product is the three-way mechanism. Turkesterone addresses the ecdysteroid anabolic pathway; PeptiStrong addresses mTOR activation through a non-amino acid peptide route; Epicatechin addresses the Myostatin/Follistatin balance. Each works through different and complementary mechanisms, making the combination more complete than any single natural anabolic ingredient.

Build.AI suits natural athletes seeking to maximise muscle growth potential without androgenic supplementation, experienced lifters who have plateaued on standard protein and creatine protocols, and anyone exploring evidence-emerging natural anabolic compounds. It is not a steroid or pro-hormone substitute and results require consistent progressive training and adequate caloric intake. Contains no major allergens.

Key Benefits

4x Protein Synthesis

PeptStrong increases muscle protein synthesis 4x more than whey

500mg Turkesterone

Natural muscle support without hormonal side effects

+47% Recovery

Clinically shown to accelerate strength recovery after training

Vegan Capsules

100% plant-based formula in vegetable capsule shells

Frequently Asked Questions

What is PeptiStrong and how is it used in this Build.AI formula?

PeptiStrong is a bioactive peptide ingredient derived from hydrolysed fava bean protein, identified through AI-driven screening of thousands of peptide sequences. The peptides are absorbed through the PepT1 intestinal transporter, which is a different pathway to standard free-form amino acids. Build.AI provides 2400mg per 4-capsule serving.

Is the turkesterone in Build.AI a steroid or hormonal compound?

No. Turkesterone is a naturally occurring ecdysteroid found in plants, not an anabolic steroid. It does not bind to human androgen receptors and is legal and non-banned for drug-tested athletes. The 500mg dose in Build.AI is standardised to 10% turkesterone from ajuga turkestanica extract.

Can I take Build.AI alongside Efectiv whey protein and creatine?

Yes. Build.AI is designed to sit on top of your protein and creatine routine rather than replace either. Whey provides amino acids, creatine supports training output, and Build.AI adds PeptiStrong, turkesterone and epicatechin as a separate ingredient stack. There is no interaction concern between these products.